Colour
#573F39
- #573F39
- Red
- Dark
- Nearest: Dim grey
#573F39 is a red with RGB values 87, 63, 57 and HSL 12°, 21%, 28%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dim grey.
Colour values
#573F39#573F39
HEX#573F39
RGBrgb(87, 63, 57)
RGB (0–1)0.3412, 0.2471, 0.2235
RGB percentages34.1%, 24.7%, 22.4%
HSLhsl(12, 20.8%, 28.2%)
HSV / HSBhsv(12, 34.5%, 34.1%)
CMYK0%, 27.6%, 34.5%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,717,817
CSS custom property--colour: #573F39;
Brightness & contrast
Relative luminance0.05877WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.65:1
Contrast with white9.65:1WCAG normal text: AAA
Contrast with black2.18:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#A8C0C6
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.65:1WCAG large text: AAA
Contrast with black, large text2.18:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#395157
Analogous#573942, #574E39
Triadic#39573F, #3F3957
Split complementary#39574E, #394257
Tetradic#425739, #395157, #4E3957
Tints, shades & saturation
Channel breakdown
R87
G63
B57
Red87 (34.1%)
Green63 (24.7%)
Blue57 (22.4%)
Hue12°
Saturation (HSL)20.83%
Lightness28.24%
Dominant channelRed
Hex per channelR 57 · G 3F · B 39
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