Recognised as Colour
#B90A18
- #B90A18
- Red
- Dark
- Nearest: Firebrick
#B90A18 is a red with RGB values 185, 10, 24 and HSL 355°, 90%, 38%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#B90A18#B90A18
HEX#B90A18
RGBrgb(185, 10, 24)
RGB (0–1)0.7255, 0.0392, 0.0941
RGB percentages72.5%, 3.9%, 9.4%
HSLhsl(355.2, 89.7%, 38.2%)
HSV / HSBhsv(355.2, 94.6%, 72.5%)
CMYK0%, 94.6%, 87%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,126,744
CSS custom property--colour: #B90A18;
Brightness & contrast
Relative luminance0.10597WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.73:1
Contrast with white6.73:1WCAG normal text: AA
Contrast with black3.12:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#46F5E7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.73:1WCAG large text: AAA
Contrast with black, large text3.12:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0AB9AB
Analogous#B90A6F, #B9530A
Triadic#18B90A, #0A18B9
Split complementary#0AB953, #0A6FB9
Tetradic#70B90A, #0AB9AB, #540AB9
Tints, shades & saturation
Channel breakdown
R185
G10
B24
Red185 (72.5%)
Green10 (3.9%)
Blue24 (9.4%)
Hue355.2°
Saturation (HSL)89.74%
Lightness38.24%
Dominant channelRed
Hex per channelR B9 · G 0A · B 18
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