Recognised as Colour
#8F181D
- #8F181D
- Red
- Dark
- Nearest: Brown
#8F181D is a red with RGB values 143, 24, 29 and HSL 357°, 71%, 33%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#8F181D#8F181D
HEX#8F181D
RGBrgb(143, 24, 29)
RGB (0–1)0.5608, 0.0941, 0.1137
RGB percentages56.1%, 9.4%, 11.4%
HSLhsl(357.5, 71.3%, 32.7%)
HSV / HSBhsv(357.5, 83.2%, 56.1%)
CMYK0%, 83.2%, 79.7%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,377,821
CSS custom property--colour: #8F181D;
Brightness & contrast
Relative luminance0.06582WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.07:1
Contrast with white9.07:1WCAG normal text: AAA
Contrast with black2.32:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#70E7E2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.07:1WCAG large text: AAA
Contrast with black, large text2.32:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#188F8A
Analogous#8F1858, #8F4E18
Triadic#1D8F18, #181D8F
Split complementary#188F4E, #18588F
Tetradic#598F18, #188F8A, #4F188F
Tints, shades & saturation
Channel breakdown
R143
G24
B29
Red143 (56.1%)
Green24 (9.4%)
Blue29 (11.4%)
Hue357.48°
Saturation (HSL)71.26%
Lightness32.75%
Dominant channelRed
Hex per channelR 8F · G 18 · B 1D
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