Colour
#C0010A
- #C0010A
- Red
- Dark
- Nearest: Firebrick
#C0010A is a red with RGB values 192, 1, 10 and HSL 357°, 99%, 38%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#C0010A#C0010A
HEX#C0010A
RGBrgb(192, 1, 10)
RGB (0–1)0.7529, 0.0039, 0.0392
RGB percentages75.3%, 0.4%, 3.9%
HSLhsl(357.2, 99%, 37.8%)
HSV / HSBhsv(357.2, 99.5%, 75.3%)
CMYK0%, 99.5%, 94.8%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,583,178
CSS custom property--colour: #C0010A;
Brightness & contrast
Relative luminance0.1125WCAG 2.x, 0 is black and 1 is white
Perceived brightness105 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.46:1
Contrast with white6.46:1WCAG normal text: AA
Contrast with black3.25:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#3FFEF5
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.46:1WCAG large text: AAA
Contrast with black, large text3.25:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#01C0B7
Analogous#C00169, #C05801
Triadic#0AC001, #010AC0
Split complementary#01C058, #0169C0
Tetradic#69C001, #01C0B7, #5801C0
Tints, shades & saturation
Channel breakdown
R192
G1
B10
Red192 (75.3%)
Green1 (0.4%)
Blue10 (3.9%)
Hue357.17°
Saturation (HSL)98.96%
Lightness37.84%
Dominant channelRed
Hex per channelR C0 · G 01 · B 0A
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