Recognised as Colour
#CA0009
- #CA0009
- Red
- Dark
- Nearest: Firebrick
#CA0009 is a red with RGB values 202, 0, 9 and HSL 357°, 100%, 40%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#CA0009#CA0009
HEX#CA0009
RGBrgb(202, 0, 9)
RGB (0–1)0.7922, 0, 0.0353
RGB percentages79.2%, 0%, 3.5%
HSLhsl(357.3, 100%, 39.6%)
HSV / HSBhsv(357.3, 100%, 79.2%)
CMYK0%, 100%, 95.5%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,238,281
CSS custom property--colour: #CA0009;
Brightness & contrast
Relative luminance0.12576WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.97:1
Contrast with white5.97:1WCAG normal text: AA
Contrast with black3.52:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#35FFF6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.97:1WCAG large text: AAA
Contrast with black, large text3.52:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00CAC1
Analogous#CA006E, #CA5C00
Triadic#09CA00, #0009CA
Split complementary#00CA5C, #006ECA
Tetradic#6ECA00, #00CAC1, #5C00CA
Tints, shades & saturation
Channel breakdown
R202
G0
B9
Red202 (79.2%)
Green0 (0%)
Blue9 (3.5%)
Hue357.33°
Saturation (HSL)100%
Lightness39.61%
Dominant channelRed
Hex per channelR CA · G 00 · B 09
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