Recognised as Colour
#AC0210
- #AC0210
- Red
- Dark
- Nearest: Firebrick
#AC0210 is a red with RGB values 172, 2, 16 and HSL 355°, 98%, 34%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Firebrick.
Colour values
#AC0210#AC0210
HEX#AC0210
RGBrgb(172, 2, 16)
RGB (0–1)0.6745, 0.0078, 0.0627
RGB percentages67.5%, 0.8%, 6.3%
HSLhsl(355.1, 97.7%, 34.1%)
HSV / HSBhsv(355.1, 98.8%, 67.5%)
CMYK0%, 98.8%, 90.7%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,272,720
CSS custom property--colour: #AC0210;
Brightness & contrast
Relative luminance0.08851WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.58:1
Contrast with white7.58:1WCAG normal text: AAA
Contrast with black2.77:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#53FDEF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.58:1WCAG large text: AAA
Contrast with black, large text2.77:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#02AC9E
Analogous#AC0265, #AC4902
Triadic#10AC02, #0210AC
Split complementary#02AC49, #0265AC
Tetradic#65AC02, #02AC9E, #4902AC
Tints, shades & saturation
Channel breakdown
R172
G2
B16
Red172 (67.5%)
Green2 (0.8%)
Blue16 (6.3%)
Hue355.06°
Saturation (HSL)97.7%
Lightness34.12%
Dominant channelRed
Hex per channelR AC · G 02 · B 10
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