Recognised as Colour
#C0001F
- #C0001F
- Red
- Dark
- Nearest: Firebrick
#C0001F is a red with RGB values 192, 0, 31 and HSL 350°, 100%, 38%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#C0001F#C0001F
HEX#C0001F
RGBrgb(192, 0, 31)
RGB (0–1)0.7529, 0, 0.1216
RGB percentages75.3%, 0%, 12.2%
HSLhsl(350.3, 100%, 37.6%)
HSV / HSBhsv(350.3, 100%, 75.3%)
CMYK0%, 100%, 83.9%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,582,943
CSS custom property--colour: #C0001F;
Brightness & contrast
Relative luminance0.11305WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.44:1
Contrast with white6.44:1WCAG normal text: AA
Contrast with black3.26:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#3FFFE0
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.44:1WCAG large text: AAA
Contrast with black, large text3.26:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00C0A1
Analogous#C0007F, #C04100
Triadic#1FC000, #001FC0
Split complementary#00C041, #007FC0
Tetradic#7FC000, #00C0A1, #4100C0
Tints, shades & saturation
Channel breakdown
R192
G0
B31
Red192 (75.3%)
Green0 (0%)
Blue31 (12.2%)
Hue350.31°
Saturation (HSL)100%
Lightness37.65%
Dominant channelRed
Hex per channelR C0 · G 00 · B 1F
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