Recognised as Colour
#AC222D
- #AC222D
- Red
- Dark
- Nearest: Brown
#AC222D is a red with RGB values 172, 34, 45 and HSL 355°, 67%, 40%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#AC222D#AC222D
HEX#AC222D
RGBrgb(172, 34, 45)
RGB (0–1)0.6745, 0.1333, 0.1765
RGB percentages67.5%, 13.3%, 17.6%
HSLhsl(355.2, 67%, 40.4%)
HSV / HSBhsv(355.2, 80.2%, 67.5%)
CMYK0%, 80.2%, 73.8%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,280,941
CSS custom property--colour: #AC222D;
Brightness & contrast
Relative luminance0.10104WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.95:1
Contrast with white6.95:1WCAG normal text: AA
Contrast with black3.02:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#53DDD2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.95:1WCAG large text: AAA
Contrast with black, large text3.02:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#22ACA1
Analogous#AC2272, #AC5C22
Triadic#2DAC22, #222DAC
Split complementary#22AC5C, #2272AC
Tetradic#72AC22, #22ACA1, #5C22AC
Tints, shades & saturation
Channel breakdown
R172
G34
B45
Red172 (67.5%)
Green34 (13.3%)
Blue45 (17.6%)
Hue355.22°
Saturation (HSL)66.99%
Lightness40.39%
Dominant channelRed
Hex per channelR AC · G 22 · B 2D
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