Recognised as Colour
#C01D23
- #C01D23
- Red
- Dark
- Nearest: Firebrick
#C01D23 is a red with RGB values 192, 29, 35 and HSL 358°, 74%, 43%. 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
#C01D23#C01D23
HEX#C01D23
RGBrgb(192, 29, 35)
RGB (0–1)0.7529, 0.1137, 0.1373
RGB percentages75.3%, 11.4%, 13.7%
HSLhsl(357.8, 73.8%, 43.3%)
HSV / HSBhsv(357.8, 84.9%, 75.3%)
CMYK0%, 84.9%, 81.8%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,590,371
CSS custom property--colour: #C01D23;
Brightness & contrast
Relative luminance0.12207WCAG 2.x, 0 is black and 1 is white
Perceived brightness108 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.1:1
Contrast with white6.1:1WCAG normal text: AA
Contrast with black3.44:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#3FE2DC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.1:1WCAG large text: AAA
Contrast with black, large text3.44:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1DC0BA
Analogous#C01D74, #C0691D
Triadic#23C01D, #1D23C0
Split complementary#1DC069, #1D74C0
Tetradic#75C01D, #1DC0BA, #691DC0
Tints, shades & saturation
Channel breakdown
R192
G29
B35
Red192 (75.3%)
Green29 (11.4%)
Blue35 (13.7%)
Hue357.79°
Saturation (HSL)73.76%
Lightness43.33%
Dominant channelRed
Hex per channelR C0 · G 1D · B 23
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