Recognised as Colour
#C3131E
- #C3131E
- Red
- Dark
- Nearest: Firebrick
#C3131E is a red with RGB values 195, 19, 30 and HSL 356°, 82%, 42%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#C3131E#C3131E
HEX#C3131E
RGBrgb(195, 19, 30)
RGB (0–1)0.7647, 0.0745, 0.1176
RGB percentages76.5%, 7.5%, 11.8%
HSLhsl(356.3, 82.2%, 42%)
HSV / HSBhsv(356.3, 90.3%, 76.5%)
CMYK0%, 90.3%, 84.6%, 23.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,784,414
CSS custom property--colour: #C3131E;
Brightness & contrast
Relative luminance0.12162WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.12:1
Contrast with white6.12:1WCAG normal text: AA
Contrast with black3.43:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#3CECE1
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.12:1WCAG large text: AAA
Contrast with black, large text3.43:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#13C3B8
Analogous#C31376, #C36013
Triadic#1EC313, #131EC3
Split complementary#13C360, #1376C3
Tetradic#76C313, #13C3B8, #6013C3
Tints, shades & saturation
Channel breakdown
R195
G19
B30
Red195 (76.5%)
Green19 (7.5%)
Blue30 (11.8%)
Hue356.25°
Saturation (HSL)82.24%
Lightness41.96%
Dominant channelRed
Hex per channelR C3 · G 13 · B 1E
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