Colour
#80171B
- #80171B
- Red
- Dark
- Nearest: Brown
#80171B is a red with RGB values 128, 23, 27 and HSL 358°, 70%, 30%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#80171B#80171B
HEX#80171B
RGBrgb(128, 23, 27)
RGB (0–1)0.502, 0.0902, 0.1059
RGB percentages50.2%, 9%, 10.6%
HSLhsl(357.7, 69.5%, 29.6%)
HSV / HSBhsv(357.7, 82%, 50.2%)
CMYK0%, 82%, 78.9%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,394,523
CSS custom property--colour: #80171B;
Brightness & contrast
Relative luminance0.05281WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.21:1
Contrast with white10.21:1WCAG normal text: AAA
Contrast with black2.06:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#7FE8E4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.21:1WCAG large text: AAA
Contrast with black, large text2.06:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#17807C
Analogous#80174F, #804817
Triadic#1B8017, #171B80
Split complementary#178048, #174F80
Tetradic#4F8017, #17807C, #481780
Tints, shades & saturation
Channel breakdown
R128
G23
B27
Red128 (50.2%)
Green23 (9%)
Blue27 (10.6%)
Hue357.71°
Saturation (HSL)69.54%
Lightness29.61%
Dominant channelRed
Hex per channelR 80 · G 17 · B 1B
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