Recognised as Colour
#A21931
- #A21931
- Red
- Dark
- Nearest: Brown
#A21931 is a red with RGB values 162, 25, 49 and HSL 349°, 73%, 37%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#A21931#A21931
HEX#A21931
RGBrgb(162, 25, 49)
RGB (0–1)0.6353, 0.098, 0.1922
RGB percentages63.5%, 9.8%, 19.2%
HSLhsl(349.5, 73.3%, 36.7%)
HSV / HSBhsv(349.5, 84.6%, 63.5%)
CMYK0%, 84.6%, 69.8%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,623,281
CSS custom property--colour: #A21931;
Brightness & contrast
Relative luminance0.08598WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.72:1
Contrast with white7.72:1WCAG normal text: AAA
Contrast with black2.72:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#5DE6CE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.72:1WCAG large text: AAA
Contrast with black, large text2.72:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#19A28A
Analogous#A21975, #A24519
Triadic#31A219, #1931A2
Split complementary#19A245, #1975A2
Tetradic#76A219, #19A28A, #4619A2
Tints, shades & saturation
Channel breakdown
R162
G25
B49
Red162 (63.5%)
Green25 (9.8%)
Blue49 (19.2%)
Hue349.49°
Saturation (HSL)73.26%
Lightness36.67%
Dominant channelRed
Hex per channelR A2 · G 19 · B 31
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