Colour
#A63C35
- #A63C35
- Red
- Dark
- Nearest: Brown
#A63C35 is a red with RGB values 166, 60, 53 and HSL 4°, 52%, 43%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#A63C35#A63C35
HEX#A63C35
RGBrgb(166, 60, 53)
RGB (0–1)0.651, 0.2353, 0.2078
RGB percentages65.1%, 23.5%, 20.8%
HSLhsl(3.7, 51.6%, 42.9%)
HSV / HSBhsv(3.7, 68.1%, 65.1%)
CMYK0%, 63.9%, 68.1%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,894,389
CSS custom property--colour: #A63C35;
Brightness & contrast
Relative luminance0.11596WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.33:1
Contrast with white6.33:1WCAG normal text: AA
Contrast with black3.32:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#59C3CA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.33:1WCAG large text: AAA
Contrast with black, large text3.32:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#359FA6
Analogous#A63567, #A67435
Triadic#35A63C, #3C35A6
Split complementary#35A674, #3567A6
Tetradic#67A635, #359FA6, #7435A6
Tints, shades & saturation
Channel breakdown
R166
G60
B53
Red166 (65.1%)
Green60 (23.5%)
Blue53 (20.8%)
Hue3.72°
Saturation (HSL)51.6%
Lightness42.94%
Dominant channelRed
Hex per channelR A6 · G 3C · B 35
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