Colour
#A11E31
- #A11E31
- Red
- Dark
- Nearest: Brown
#A11E31 is a red with RGB values 161, 30, 49 and HSL 351°, 69%, 37%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#A11E31#A11E31
HEX#A11E31
RGBrgb(161, 30, 49)
RGB (0–1)0.6314, 0.1176, 0.1922
RGB percentages63.1%, 11.8%, 19.2%
HSLhsl(351.3, 68.6%, 37.5%)
HSV / HSBhsv(351.3, 81.4%, 63.1%)
CMYK0%, 81.4%, 69.6%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,559,025
CSS custom property--colour: #A11E31;
Brightness & contrast
Relative luminance0.08727WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.65:1
Contrast with white7.65:1WCAG normal text: AAA
Contrast with black2.75:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#5EE1CE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.65:1WCAG large text: AAA
Contrast with black, large text2.75:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1EA18E
Analogous#A11E73, #A14C1E
Triadic#31A11E, #1E31A1
Split complementary#1EA14D, #1E72A1
Tetradic#73A11E, #1EA18E, #4C1EA1
Tints, shades & saturation
Channel breakdown
R161
G30
B49
Red161 (63.1%)
Green30 (11.8%)
Blue49 (19.2%)
Hue351.3°
Saturation (HSL)68.59%
Lightness37.45%
Dominant channelRed
Hex per channelR A1 · G 1E · B 31
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