Recognised as Colour
#A0331D
- #A0331D
- Red
- Dark
- Nearest: Brown
#A0331D is a red with RGB values 160, 51, 29 and HSL 10°, 69%, 37%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#A0331D#A0331D
HEX#A0331D
RGBrgb(160, 51, 29)
RGB (0–1)0.6275, 0.2, 0.1137
RGB percentages62.7%, 20%, 11.4%
HSLhsl(10.1, 69.3%, 37.1%)
HSV / HSBhsv(10.1, 81.9%, 62.7%)
CMYK0%, 68.1%, 81.9%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,498,845
CSS custom property--colour: #A0331D;
Brightness & contrast
Relative luminance0.0993WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.03:1
Contrast with white7.03:1WCAG normal text: AAA
Contrast with black2.99:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#5FCCE2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.03:1WCAG large text: AAA
Contrast with black, large text2.99:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1D8AA0
Analogous#A01D48, #A0751D
Triadic#1DA033, #331DA0
Split complementary#1DA074, #1D49A0
Tetradic#49A01D, #1D8AA0, #751DA0
Tints, shades & saturation
Channel breakdown
R160
G51
B29
Red160 (62.7%)
Green51 (20%)
Blue29 (11.4%)
Hue10.08°
Saturation (HSL)69.31%
Lightness37.06%
Dominant channelRed
Hex per channelR A0 · G 33 · B 1D
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