Colour
#A42D39
- #A42D39
- Red
- Dark
- Nearest: Brown
#A42D39 is a red with RGB values 164, 45, 57 and HSL 354°, 57%, 41%. 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
#A42D39#A42D39
HEX#A42D39
RGBrgb(164, 45, 57)
RGB (0–1)0.6431, 0.1765, 0.2235
RGB percentages64.3%, 17.6%, 22.4%
HSLhsl(353.9, 56.9%, 41%)
HSV / HSBhsv(353.9, 72.6%, 64.3%)
CMYK0%, 72.6%, 65.2%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,759,481
CSS custom property--colour: #A42D39;
Brightness & contrast
Relative luminance0.10065WCAG 2.x, 0 is black and 1 is white
Perceived brightness98 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.97:1
Contrast with white6.97:1WCAG normal text: AA
Contrast with black3.01:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#5BD2C6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.97:1WCAG large text: AAA
Contrast with black, large text3.01:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2DA498
Analogous#A42D74, #A45D2D
Triadic#39A42D, #2D39A4
Split complementary#2DA45D, #2D74A4
Tetradic#74A42D, #2DA498, #5D2DA4
Tints, shades & saturation
Channel breakdown
R164
G45
B57
Red164 (64.3%)
Green45 (17.6%)
Blue57 (22.4%)
Hue353.95°
Saturation (HSL)56.94%
Lightness40.98%
Dominant channelRed
Hex per channelR A4 · G 2D · B 39
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