Recognised as Colour
#900C19
- #900C19
- Red
- Dark
- Nearest: Brown
#900C19 is a red with RGB values 144, 12, 25 and HSL 354°, 85%, 31%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#900C19#900C19
HEX#900C19
RGBrgb(144, 12, 25)
RGB (0–1)0.5647, 0.0471, 0.098
RGB percentages56.5%, 4.7%, 9.8%
HSLhsl(354.1, 84.6%, 30.6%)
HSV / HSBhsv(354.1, 91.7%, 56.5%)
CMYK0%, 91.7%, 82.6%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,440,281
CSS custom property--colour: #900C19;
Brightness & contrast
Relative luminance0.06262WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.32:1
Contrast with white9.32:1WCAG normal text: AAA
Contrast with black2.25:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#6FF3E6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.32:1WCAG large text: AAA
Contrast with black, large text2.25:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0C9083
Analogous#900C5B, #90410C
Triadic#19900C, #0C1990
Split complementary#0C9041, #0C5B90
Tetradic#5B900C, #0C9083, #410C90
Tints, shades & saturation
Channel breakdown
R144
G12
B25
Red144 (56.5%)
Green12 (4.7%)
Blue25 (9.8%)
Hue354.09°
Saturation (HSL)84.62%
Lightness30.59%
Dominant channelRed
Hex per channelR 90 · G 0C · B 19
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