Recognised as Colour
#83171C
- #83171C
- Red
- Dark
- Nearest: Brown
#83171C is a red with RGB values 131, 23, 28 and HSL 357°, 70%, 30%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#83171C#83171C
HEX#83171C
RGBrgb(131, 23, 28)
RGB (0–1)0.5137, 0.0902, 0.1098
RGB percentages51.4%, 9%, 11%
HSLhsl(357.2, 70.1%, 30.2%)
HSV / HSBhsv(357.2, 82.4%, 51.4%)
CMYK0%, 82.4%, 78.6%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,591,132
CSS custom property--colour: #83171C;
Brightness & contrast
Relative luminance0.05522WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.98:1
Contrast with white9.98:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#7CE8E3
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.98:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#17837E
Analogous#831752, #834817
Triadic#1C8317, #171C83
Split complementary#178348, #175283
Tetradic#528317, #17837E, #481783
Tints, shades & saturation
Channel breakdown
R131
G23
B28
Red131 (51.4%)
Green23 (9%)
Blue28 (11%)
Hue357.22°
Saturation (HSL)70.13%
Lightness30.2%
Dominant channelRed
Hex per channelR 83 · G 17 · B 1C
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