Recognised as Colour
#AB321E
- #AB321E
- Red
- Dark
- Nearest: Firebrick
#AB321E is a red with RGB values 171, 50, 30 and HSL 9°, 70%, 39%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#AB321E#AB321E
HEX#AB321E
RGBrgb(171, 50, 30)
RGB (0–1)0.6706, 0.1961, 0.1176
RGB percentages67.1%, 19.6%, 11.8%
HSLhsl(8.5, 70.1%, 39.4%)
HSV / HSBhsv(8.5, 82.5%, 67.1%)
CMYK0%, 70.8%, 82.5%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,219,486
CSS custom property--colour: #AB321E;
Brightness & contrast
Relative luminance0.11033WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.55:1
Contrast with white6.55:1WCAG normal text: AA
Contrast with black3.21:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#54CDE1
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.55:1WCAG large text: AAA
Contrast with black, large text3.21:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1E97AB
Analogous#AB1E51, #AB791E
Triadic#1EAB32, #321EAB
Split complementary#1EAB78, #1E51AB
Tetradic#51AB1E, #1E97AB, #781EAB
Tints, shades & saturation
Channel breakdown
R171
G50
B30
Red171 (67.1%)
Green50 (19.6%)
Blue30 (11.8%)
Hue8.51°
Saturation (HSL)70.15%
Lightness39.41%
Dominant channelRed
Hex per channelR AB · G 32 · B 1E
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