Encycolorpedia

#704d3d Шестнадцатеричный Код Цветов

#704d3d Paint ChipШестнадцатеричный код цвета #704d3d является средне темный оттенком красно-оранжевый. В модели цвета RGB #704d3d составляет 43.92% красного, 30.2% зеленого и 23.92% синего. В цветовом пространстве HSL #704d3d имеет оттенок 19° (градусов), 29% насыщенность и 34% светлости. Этот цвет имеет приблизительную длину волны в 589.61 nm.

Цветовые вариации

Именованные цвета

Цветовые схемы

Скачать: GIMP GPL Adobe ASE (Adobe Swatch Exchange) Sketch Palette

#704d3d линейный градиент до дополнительного #296f84

  1. #704d3d
  2. #6a5349
  3. #645954
  4. #5b5e60
  5. #50646c
  6. #416a78
  7. #296f84

Монохроматические Цвета

  1. #603e2f
  2. #654334
  3. #6b4838
  4. #704d3d
  5. #755242
  6. #7b5747
  7. #815c4c

Оттенки

#704d3d в Белый

  1. #704d3d
  2. #88685a
  3. #9f8478
  4. #b7a298
  5. #cfc0b9
  6. #e7dfdc
  7. #ffffff / #fff

#704d3d в Черный

  1. #704d3d
  2. #5d4034
  3. #4b342a
  4. #392921
  5. #281d19
  6. #18120f
  7. #000000 / #000

Краски

Связанные краски

  1. Kelly-Moore

    1. ★ Macrame Knot / KM887-N
      #704d3e
      ΔE = 0.414 / LRV ≈ 9.1%
    2. Soul of the Earth / KM4072-5
      #785245
      ΔE = 2.951 / LRV ≈ 10.5%
  2. Benjamin Moore

    1. ★ Adirondack Brown / 2095-10
      #704c3c
      ΔE = 0.425 / LRV ≈ 8.9%
    2. Reid Brown / CW-260
      #70463a
      ΔE = 3.375 / LRV ≈ 8.1%
  3. Behr

    1. ★ Traditional Leather ICC-81
      #6e4c3c
      ΔE = 0.600 / LRV ≈ 8.8%
    2. Earth Fired Red S200-7
      #785241
      ΔE = 2.522 / LRV ≈ 10.4%
  4. Scib Paints

    1. ★ Soul of the earth / 8597
      #714c3b
      ΔE = 0.712 / LRV ≈ 9.0%
    2. Cranberry Craze / 8773
      #604a38
      ΔE = 5.029 / LRV ≈ 7.7%
  5. Valspar Paint

    1. ★ Pain Au Chocolat R98F
      #714c3b
      ΔE = 0.712 / LRV ≈ 9.0%
    2. Aged Cognac X41R101F
      #6f533a
      ΔE = 4.684 / LRV ≈ 9.9%
  6. Berger

    1. ★ Soul of the earth / 8597
      #714c3b
      ΔE = 0.712 / LRV ≈ 9.0%
    2. Bistro Brown / 8645
      #654737
      ΔE = 3.394 / LRV ≈ 7.5%
  7. Vista Paint

    1. ★ Soul of the Earth
      #714c3b
      ΔE = 0.712 / LRV ≈ 9.0%
    2. Cranberry Craze
      #604a38
      ΔE = 5.029 / LRV ≈ 7.7%
  8. KILZ

    1. ★ Foal / G581
      #714c3b
      ΔE = 0.712 / LRV ≈ 9.0%
    2. Tonka Bean / G561
      #644f46
      ΔE = 4.588 / LRV ≈ 8.7%
  9. Sikkens

    1. ★ D2.20.30
      #724d3e
      ΔE = 0.794 / LRV ≈ 9.2%
    2. E6.31.26
      #6a523b
      ΔE = 4.842 / LRV ≈ 9.4%
  10. Taubmans

    1. ★ Boulder Brown / T12 24.H12
      #6f4b3c
      ΔE = 0.874 / LRV ≈ 8.7%
    2. ★ Cacao / T12 21.H11
      #754e3d
      ΔE = 1.442 / LRV ≈ 9.6%
  11. Bristol

    1. ★ Boulder Brown / P181-N7
      #6f4b3c
      ΔE = 0.874 / LRV ≈ 8.7%
    2. Cocoa Chip / P252-N7
      #745245
      ΔE = 2.402 / LRV ≈ 10.2%
  12. PPG Pittsburgh Paints

    1. ★ Boulder Brown 426-7
      #6e4c3e
      ΔE = 0.960 / LRV ≈ 8.8%
    2. ★ Chocolate Pudding 424-7
      #6f5242
      ΔE = 2.293 / LRV ≈ 9.8%
  13. Crown Diamond

    1. ★ 7243-83 Vanilla Bean
      #6f4a3b
      ΔE = 1.251 / LRV ≈ 8.6%
    2. 7210-73 Memory Box
      #794f46
      ΔE = 4.115 / LRV ≈ 10.1%
  14. Dulux

    1. ★ 65YR 11/146
      #6c4e3e
      ΔE = 1.492 / LRV ≈ 9.0%
    2. 89YR 12/197
      #735237
      ΔE = 4.663 / LRV ≈ 10.0%
  15. Duron

    1. ★ Java
      #744e3b
      ΔE = 1.548 / LRV ≈ 9.5%
    2. Rookwood Medium Brown
      #79553f
      ΔE = 3.988 / LRV ≈ 10.9%
  16. Coronado Paint

    1. ★ 8597 - Soul Of The Earth
      #6c4b3e
      ΔE = 1.618 / LRV ≈ 8.6%
    2. 8773 - Cranberry Craze
      #614d3f
      ΔE = 4.708 / LRV ≈ 8.2%
  17. ICI Paints

    1. ★ Bryce Lodge 70YR 11/173
      #6e5041
      ΔE = 1.647 / LRV ≈ 9.4%
    2. Timber Trail 90YR 10/244
      #6e4a32
      ΔE = 3.432 / LRV ≈ 8.4%
  18. Clark+Kensington

    1. ★ Michigan Maple / EXTCC-57
      #715142
      ΔE = 1.647 / LRV ≈ 9.8%
    2. Ballet Barre / N-W16
      #634840
      ΔE = 4.708 / LRV ≈ 7.7%
  19. Model Master

    1. ★ Model Master 1785
      #745042
      ΔE = 1.682 / LRV ≈ 9.8%
  20. Pratt & Lambert

    1. ★ Congo Brown 7-18
      #705141
      ΔE = 1.711 / LRV ≈ 9.7%
    2. Railroad Ties CL132
      #614632
      ΔE = 5.028 / LRV ≈ 7.2%
  21. Ralph Lauren

    1. ★ New Castle Brown / RLVM226
      #6c4938
      ΔE = 1.746 / LRV ≈ 8.2%
    2. Takahe / RLTH212
      #684737
      ΔE = 2.785 / LRV ≈ 7.7%
  22. General Paint

    1. ★ Log Jam / CL 2597N
      #6d4c40
      ΔE = 1.775 / LRV ≈ 8.8%
    2. Worn Wood / CL 2587N
      #6a4940
      ΔE = 3.409 / LRV ≈ 8.2%
  23. Resene

    1. ★ Spice BR47-034-050
      #6c4f3f
      ΔE = 1.799 / LRV ≈ 9.1%
    2. Pickled Bean WW18
      #73553e
      ΔE = 4.246 / LRV ≈ 10.5%
  24. Chrysler

    1. ★ Cypress Brown
      #714c40
      ΔE = 1.837 / LRV ≈ 9.1%
    2. ★ Sonora Bronze
      #764f42
      ΔE = 2.244 / LRV ≈ 9.8%
  25. British Standard

    1. ★ BS 4800 06 C 39 - Saddle brown / Saddle
      #73503c
      ΔE = 1.958 / LRV ≈ 9.7%
    2. BS 2660 BS 3-045 - Middle brown
      #77553c
      ΔE = 4.624 / LRV ≈ 10.7%
  26. CIL

    1. ★ Red Brick
      #754b3b
      ΔE = 2.034 / LRV ≈ 9.1%
    2. Timber Trail
      #74543a
      ΔE = 4.729 / LRV ≈ 10.4%
  27. Sherwin-Williams

    1. ★ Brevity Brown - 6068
      #715243
      ΔE = 2.054 / LRV ≈ 10.0%
    2. Rugged Brown - 6062
      #694336
      ΔE = 4.073 / LRV ≈ 7.3%
  28. Porter Paints

    1. ★ Bird House Brown / 425-7
      #6e483a
      ΔE = 2.112 / LRV ≈ 8.3%
    2. Kodiak / 417-7
      #6b5440
      ΔE = 4.578 / LRV ≈ 9.8%
  29. Dulux Australia

    1. ★ Guitar / A127
      #6b4a37
      ΔE = 2.115 / LRV ≈ 8.3%
    2. Sienna Stone / G10
      #724335
      ΔE = 4.522 / LRV ≈ 7.8%
  30. Glidden

    1. ★ Bird House Brown / PPG1072-7
      #6c483a
      ΔE = 2.116 / LRV ≈ 8.1%
    2. Spiced Wine / PPG1016-7
      #664942
      ΔE = 4.527 / LRV ≈ 8.0%
  31. Olympic

    1. ★ Chocolate Pudding D25-6
      #6c5042
      ΔE = 2.168 / LRV ≈ 9.3%
    2. Chocolate Kiss D23-6
      #725443
      ΔE = 2.839 / LRV ≈ 10.3%
  32. Old Citadel

    1. Calthan Brown
      #6d5044
      ΔE = 2.338 / LRV ≈ 9.4%
  33. Vallejo Model Color

    1. Flat Brown (984)
      #6d5044
      ΔE = 2.338 / LRV ≈ 9.4%
  34. Vallejo Game Color

    1. Heavy Siena (154)
      #6d5044
      ΔE = 2.338 / LRV ≈ 9.4%
  35. Reaper Master

    1. Dark Highlight (9042)
      #6d5044
      ΔE = 2.338 / LRV ≈ 9.4%
  36. Sigma

    1. Sienna Brown / S 6030-Y70R
      #6d4738
      ΔE = 2.365 / LRV ≈ 8.0%
    2. Sienna Brown / S 6020-Y80R
      #76564c
      ΔE = 4.401 / LRV ≈ 11.0%
  37. Dunn-Edwards

    1. Rich Mocha / 452
      #745342
      ΔE = 2.366 / LRV ≈ 10.3%
    2. Briar / 453
      #745443
      ΔE = 2.748 / LRV ≈ 10.5%
  38. Nerolac

    1. Espresso - 2847
      #6d4f44
      ΔE = 2.414 / LRV ≈ 9.3%
    2. Watch Tower - 2854
      #674b42
      ΔE = 3.618 / LRV ≈ 8.3%
  39. Nippon Paint

    1. Saddle Brown / NP N 1883 A
      #6c5044
      ΔE = 2.500 / LRV ≈ 9.3%
    2. Newtowne Brown / NP N 1890 A
      #6e4d46
      ΔE = 3.858 / LRV ≈ 9.1%
  40. Kansai Paint

    1. Copper Leaf
      #795040
      ΔE = 2.561 / LRV ≈ 10.2%
    2. Bahama Brown
      #604a3e
      ΔE = 4.659 / LRV ≈ 7.7%
  41. Earthpaint

    1. 5-8-6 Woodgate
      #684a38
      ΔE = 2.594 / LRV ≈ 8.1%
    2. 5-2-7 Rosewood
      #66473d
      ΔE = 3.827 / LRV ≈ 7.7%
  42. Tikkurila

    1. 2664 / Joukahainen
      #715146
      ΔE = 2.627 / LRV ≈ 9.8%
    2. 0298 / Maroon
      #664c43
      ΔE = 3.814 / LRV ≈ 8.4%
  43. Pantone / PMS

    1. 7518
      #704f45
      ΔE = 2.658 / LRV ≈ 9.5%
    2. 4705
      #7d4d38
      ΔE = 4.324 / LRV ≈ 10.0%
  44. Devoe Paint

    1. Red Brick / 50YR 09/244
      #774b39
      ΔE = 2.676 / LRV ≈ 9.3%
    2. Old Redwood / 30YR 08/236
      #74473b
      ΔE = 3.623 / LRV ≈ 8.5%
  45. Brighto Paints

    1. 5-2-7 Rosewood
      #674c3f
      ΔE = 2.746 / LRV ≈ 8.4%
    2. 4-4-7 Gazelle
      #75473a
      ΔE = 3.651 / LRV ≈ 8.6%
  46. Natural Color System / NCS

    1. S 6010-Y70R
      #6b4d43
      ΔE = 2.761 / LRV ≈ 8.8%
    2. S 6010-Y30R
      #725642
      ΔE = 4.066 / LRV ≈ 10.6%
  47. Diamond Vogel

    1. Hideaway / 0137
      #6c5145
      ΔE = 2.795 / LRV ≈ 9.5%
    2. Evolution / 0130
      #77554a
      ΔE = 3.945 / LRV ≈ 10.9%
  48. Colortrend

    1. 0137
      #6c5145
      ΔE = 2.795 / LRV ≈ 9.5%
    2. 0130
      #77554a
      ΔE = 3.945 / LRV ≈ 10.9%
  49. Levis

    1. Full Umber
      #76503a
      ΔE = 2.798 / LRV ≈ 9.9%
    2. Shady Orange B80
      #735237
      ΔE = 4.663 / LRV ≈ 10.0%
  50. California Paints

    1. DE 6056 - Buffalo Herd
      #705046
      ΔE = 2.801 / LRV ≈ 9.6%
    2. DEA 148 - Sunken Ship
      #6b443d
      ΔE = 5.098 / LRV ≈ 7.6%
  51. Asian Paints

    1. Rich Chocolate / 8645
      #6b5144
      ΔE = 2.840 / LRV ≈ 9.4%
    2. Earthen Wave / 9541
      #6a4c42
      ΔE = 2.847 / LRV ≈ 8.6%
  52. Tamiya

    1. Tamiya 80352,XF52
      #734835
      ΔE = 2.858 / LRV ≈ 8.5%
  53. Farrow & Ball

    1. London Clay / 244
      #715444
      ΔE = 2.883 / LRV ≈ 10.3%
  54. Albany Paint

    1. Paddock Wood
      #6d4f39
      ΔE = 3.039 / LRV ≈ 9.1%
  55. TRUMATCH

    1. 50-c6
      #734834
      ΔE = 3.040 / LRV ≈ 8.5%
    2. 50-c5
      #7b4e39
      ΔE = 3.638 / LRV ≈ 10.0%
  56. Sico

    1. 6190-83 Chocolate Kiss
      #70523d
      ΔE = 3.042 / LRV ≈ 9.8%
    2. 6084-73 Distinguished Brown
      #6a4944
      ΔE = 5.020 / LRV ≈ 8.2%
  57. Brillux

    1. 18.12.27
      #744736
      ΔE = 3.235 / LRV ≈ 8.5%
    2. 12.09.27
      #634d3a
      ΔE = 4.657 / LRV ≈ 8.3%
  58. Johnstone's Paint

    1. Mocha
      #695045
      ΔE = 3.302 / LRV ≈ 9.2%
  59. Plascon

    1. Little John O2-E1-3
      #705448
      ΔE = 3.318 / LRV ≈ 10.3%
    2. Oak Tone O4-E1-2
      #604434
      ΔE = 5.001 / LRV ≈ 6.9%
  60. Jotun

    1. 0026 / Hassel
      #6d5446
      ΔE = 3.498 / LRV ≈ 10.0%
    2. 1835 / Nougat
      #604c41
      ΔE = 4.900 / LRV ≈ 8.0%
  61. Tollens

    1. T2125-3
      #6d4f47
      ΔE = 3.571 / LRV ≈ 9.3%
    2. Brun normand
      #67524a
      ΔE = 4.846 / LRV ≈ 9.4%
  62. Focoltone

    1. 6045
      #674c43
      ΔE = 3.637 / LRV ≈ 8.5%
    2. 6034
      #70544b
      ΔE = 4.077 / LRV ≈ 10.3%
  63. Federal Standard

    1. Federal Standard 30108
      #6c5447
      ΔE = 3.739 / LRV ≈ 10.0%
    2. Federal Standard 10080
      #614a36
      ΔE = 5.071 / LRV ≈ 7.7%
  64. Dutch Boy

    1. Brown Noddy
      #735643
      ΔE = 3.807 / LRV ≈ 10.7%
    2. Fisherman'sWharf
      #695648
      ΔE = 5.186 / LRV ≈ 10.1%
  65. Homebase

    1. Chocolat
      #665043
      ΔE = 3.836 / LRV ≈ 9.0%
  66. Evonik-Degussa

    1. 141A Saddle Brown
      #634739
      ΔE = 3.839 / LRV ≈ 7.5%
    2. 152A Newtowne Brown
      #674740
      ΔE = 4.650 / LRV ≈ 7.8%
  67. Sto

    1. 32342
      #7a5647
      ΔE = 3.879 / LRV ≈ 11.2%
    2. 33230
      #6e4f4a
      ΔE = 4.855 / LRV ≈ 9.4%
  68. Volkswagen

    1. Inca Brown
      #6a4333
      ΔE = 3.916 / LRV ≈ 7.3%
    2. Sudan Brown
      #7a563e
      ΔE = 4.735 / LRV ≈ 11.1%
  69. Caparol

    1. 16S 2 / Oxidbraun 16S 2
      #7c5044
      ΔE = 3.939 / LRV ≈ 10.4%
    2. 45 10 65 / Siena 5
      #685444
      ΔE = 4.776 / LRV ≈ 9.7%
  70. Toyo Ink

    1. CF10830
      #694333
      ΔE = 3.948 / LRV ≈ 7.3%
    2. CF10813
      #5f4b40
      ΔE = 5.080 / LRV ≈ 7.8%
  71. Cloverdale Paint

    1. Bistro Brown / 8645
      #6f554a
      ΔE = 3.954 / LRV ≈ 10.4%
  72. Rodda Paint

    1. Brownstone H133
      #775745
      ΔE = 3.965 / LRV ≈ 11.2%
  73. GM / General Motors

    1. Timber Beige
      #6b5444
      ΔE = 3.986 / LRV ≈ 9.9%
    2. Corona Beige
      #71492f
      ΔE = 4.288 / LRV ≈ 8.5%
  74. Peintures MF

    1. Igname de Chine
      #6a4439
      ΔE = 4.022 / LRV ≈ 7.5%
    2. Fudge moka
      #7b4836
      ΔE = 4.658 / LRV ≈ 9.1%
  75. AMC

    1. Copper Tan
      #6c4930
      ΔE = 4.039 / LRV ≈ 8.2%
    2. Golden Ginger
      #724a2d
      ΔE = 5.199 / LRV ≈ 8.7%
  76. Disney

    1. 1C-80-4 Deep in the Woods
      #704438
      ΔE = 4.101 / LRV ≈ 7.9%
  77. Ford

    1. Hawaiian Bronze
      #634537
      ΔE = 4.147 / LRV ≈ 7.2%
    2. Bronze
      #644e45
      ΔE = 4.425 / LRV ≈ 8.6%
  78. Krylon

    1. Equestrian
      #715748
      ΔE = 4.160 / LRV ≈ 10.8%
  79. Australian Standard AS2700

    1. X55 Nut Brown
      #774832
      ΔE = 4.222 / LRV ≈ 8.8%
    2. X54 Brown
      #67452c
      ΔE = 5.182 / LRV ≈ 7.3%
  80. New Look

    1. Brilliant Brownies / G32-10
      #654c44
      ΔE = 4.292 / LRV ≈ 8.4%
    2. Chocolate Pancake / G32-05
      #6b4a44
      ΔE = 4.468 / LRV ≈ 8.4%
  81. 1829

    1. Berber Leather
      #685343
      ΔE = 4.387 / LRV ≈ 9.5%
  82. Vallejo

    1. Vallejo 70.825 #144
      #624d41
      ΔE = 4.396 / LRV ≈ 8.3%
    2. Vallejo 70.797 #218
      #734438
      ΔE = 4.494 / LRV ≈ 8.1%
  83. Teknos

    1. GG410
      #7f533f
      ΔE = 4.407 / LRV ≈ 11.1%
  84. RAL

    1. RAL 8024 / Beige brown
      #79553d
      ΔE = 4.437 / LRV ≈ 10.9%
  85. RVI

    1. Beige / 01112
      #6d442d
      ΔE = 4.590 / LRV ≈ 7.6%
  86. Craig & Rose

    1. Berowne
      #685444
      ΔE = 4.776 / LRV ≈ 9.7%
  87. Opaltone / OMS

    1. 4222
      #794f48
      ΔE = 4.825 / LRV ≈ 10.1%
    2. 4224
      #7a4f34
      ΔE = 4.861 / LRV ≈ 10.0%
  88. Laura Ashley

    1. 216 Cocoa Rose
      #75453b
      ΔE = 4.836 / LRV ≈ 8.4%
  89. Alcro

    1. Choklad
      #6f4130
      ΔE = 4.977 / LRV ≈ 7.4%
  90. Mylands of London

    1. Cedar
      #784f49
      ΔE = 5.059 / LRV ≈ 10.1%
  91. Lascaux

    1. Transoxide brown / 175
      #77462f
      ΔE = 5.077 / LRV ≈ 8.5%
  92. Crown Paint

    1. Chestnut
      #6f4640
      ΔE = 5.096 / LRV ≈ 8.1%
    2. Rich Blend
      #645049
      ΔE = 5.225 / LRV ≈ 8.9%
  93. Games Workshop - Citadel

    1. Gorthor Brown
      #654741
      ΔE = 5.197 / LRV ≈ 7.7%

Дальтонизм

Monochromacy

Дихроматическое зрение

Trichromacy

#704d3d HTML и CSS Примеры

#704d3d передний план

Готовь сани летом, а телегу зимой.

<p style="color: #704d3d">…</p>

#704d3d фон

Кто ста́рое помя́нет, тому́ глаз вон.

<p style="background-color: #704d3d">…</p>

#704d3d тень текста

Ты мне - я тебе.

<p style="text-shadow: 0.1em 0.1em 0.15em #704d3d">…</p>

Чарт Композиций

Цветовые пространства

Десятичный
7359805
Двоичный
01110000, 01001101, 00111101
Шестнадцатеричный
#704d3d
LRV
≈ 9.1%
Ближайший короткий шестигранник
#754 ΔE = 3.209
RGB
rgb(112, 77, 61)
RGBA
rgba(112, 77, 61, 1.0)
Цветность rg
r: 0.448, g: 0.308, b: 0.244
RYB
красный: 43.922%, желтый: 33.064%, синий: 23.922%
Android / android.graphics.Color
-9417411 / 0xff704d3d
HSL
hsl(19, 29%, 34%)
HSLA
hsla(19, 29%, 34%, 1.0)
HSV / HSB
оттенок: 19° (18.824), насыщение: 46% (0.455), стоимость: 44% (0.439)
HSP
оттенок: 18.824, насыщение: 45.536%, воспринимаемая яркость: 34.311%
HSLuv (HUSL)
H: 32.167, S: 45.119, L: 36.157
Cubehelix
H: 12.500, S: 0.326, L: 0.336
TSL
T: 3.559, S: 0.158, L: 0.336
CMYK
голубой: 0% (0.000), пурпурный: 31% (0.312), желтый: 46% (0.455), чёрный: 56% (0.561)
CMY
голубой: 56% (0.561), пурпурный: 70% (0.698), желтый: 76% (0.761)
XYZ
X: 10.179, Y: 9.090, Z: 5.632
xyY
x: 0.409, y: 0.365, Y: 9.090
CIELab
L: 36.157, a: 12.625, b: 15.406
CIELuv
L: 36.157, u: 24.109, v: 15.163
CIELCH / LCHab
L: 36.157, C: 19.918, H: 50.666
CIELUV / LCHuv
L: 36.157, C: 28.481, H: 32.167
Hunter-Lab
L: 30.150, a: 7.500, b: 10.029
CIECAM02
J: 27.526, C: 19.976, h: 44.794, Q: 103.367, M: 17.469, s: 41.110, H: 32.304
OSA-UCS
расторопность: -9.983, желтый: 2.183, зеленый: -2.135
LMS
L: 10.449, M: 8.303, S: 5.693
YCbCr
Y: 89.570, Cb: 115.796, Cr: 144.501
YCoCg
Y: 81.750, Cg: -4.750, Co: 40.750
YDbDr
Y: 85.641, Db: -37.078, Dr: -50.127
YPbPr
Y: 83.303, Pb: -12.025, Pr: 18.236
xvYCC
Y: 87.543, Cb: 117.437, Cr: 144.019
YIQ
Y: 85.641, I: 25.990, Q: 2.423
YUV
Y: 85.641, U: -12.125, V: 23.125
Цветовая Система Манселл
5YR 4/4 ΔE = 4.116
Цвет бренда
Quora ΔE = 12.489

Случайные цвета

Красный

Зеленый

Синий