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Recognised as Colour

#83153B

  • #83153B
  • Red
  • Dark
  • Nearest: Brown

#83153B is a red with RGB values 131, 21, 59 and HSL 339°, 72%, 30%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#83153B#83153B
HEX#83153B
RGBrgb(131, 21, 59)
RGB (0–1)0.5137, 0.0824, 0.2314
RGB percentages51.4%, 8.2%, 23.1%
HSLhsl(339.3, 72.4%, 29.8%)
HSV / HSBhsv(339.3, 84%, 51.4%)
CMYK0%, 84%, 55%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,590,651
CSS custom property--colour: #83153B;

Brightness & contrast

Relative luminance0.05677WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.83:1
Contrast with white9.83:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#7CEAC4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#33353Cno red cones; affects about 1% of men; ΔE 48.1 from the original
Deuteranopia#504B38no green cones; the most common form, about 1% of men; ΔE 48.9 from the original
Tritanopia#8F0026no blue cones; rare, and affects men and women equally; ΔE 16.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.83:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Brown · ΔE 25.5Indian red · ΔE 29.2Maroon · ΔE 31.4Pale violetred · ΔE 32.7Firebrick · ΔE 33.8Dark red · ΔE 34.7
Nearest named CSS colourBrown (#A52A2A)ΔE 25.51, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#15835D
Analogous#831572, #832615
Triadic#3B8315, #153B83
Split complementary#158326, #157283
Tetradic#728315, #15835D, #261583

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EA7AA1
Lighter +30%#E34E82
Lighter +20%#DB2363
Lighter +10%#AF1C4F
Darker −10%#570E27
Darker −20%#2B0713
Darker −30%#000000
Darker −40%#000000
More saturated +25%#960235
Less saturated −25%#702841

Channel breakdown

R131
G21
B59
Red131 (51.4%)
Green21 (8.2%)
Blue59 (23.1%)
Hue339.27°
Saturation (HSL)72.37%
Lightness29.8%
Dominant channelRed
Hex per channelR 83 · G 15 · B 3B

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Every value on this page was computed from “83153b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.