Recognised as Colour
#AB3428
- #AB3428
- Red
- Dark
- Nearest: Brown
#AB3428 is a red with RGB values 171, 52, 40 and HSL 5°, 62%, 41%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#AB3428#AB3428
HEX#AB3428
RGBrgb(171, 52, 40)
RGB (0–1)0.6706, 0.2039, 0.1569
RGB percentages67.1%, 20.4%, 15.7%
HSLhsl(5.5, 62.1%, 41.4%)
HSV / HSBhsv(5.5, 76.6%, 67.1%)
CMYK0%, 69.6%, 76.6%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,220,008
CSS custom property--colour: #AB3428;
Brightness & contrast
Relative luminance0.11267WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.45:1
Contrast with white6.45:1WCAG normal text: AA
Contrast with black3.25:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#54CBD7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.45:1WCAG large text: AAA
Contrast with black, large text3.25:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#289FAB
Analogous#AB285E, #AB7628
Triadic#28AB34, #3428AB
Split complementary#28AB76, #285DAB
Tetradic#5DAB28, #289FAB, #7628AB
Tints, shades & saturation
Channel breakdown
R171
G52
B40
Red171 (67.1%)
Green52 (20.4%)
Blue40 (15.7%)
Hue5.5°
Saturation (HSL)62.09%
Lightness41.37%
Dominant channelRed
Hex per channelR AB · G 34 · B 28
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