Colour
#583C39
- #583C39
- Red
- Dark
- Nearest: Dim grey
#583C39 is a red with RGB values 88, 60, 57 and HSL 6°, 21%, 28%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dim grey.
Colour values
#583C39#583C39
HEX#583C39
RGBrgb(88, 60, 57)
RGB (0–1)0.3451, 0.2353, 0.2235
RGB percentages34.5%, 23.5%, 22.4%
HSLhsl(5.8, 21.4%, 28.4%)
HSV / HSBhsv(5.8, 35.2%, 34.5%)
CMYK0%, 31.8%, 35.2%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,782,585
CSS custom property--colour: #583C39;
Brightness & contrast
Relative luminance0.05602WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.9:1
Contrast with white9.9:1WCAG normal text: AAA
Contrast with black2.12:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#A7C3C6
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.9:1WCAG large text: AAA
Contrast with black, large text2.12:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#395558
Analogous#583946, #584C39
Triadic#39583C, #3C3958
Split complementary#39584B, #394658
Tetradic#465839, #395558, #4B3958
Tints, shades & saturation
Channel breakdown
R88
G60
B57
Red88 (34.5%)
Green60 (23.5%)
Blue57 (22.4%)
Hue5.81°
Saturation (HSL)21.38%
Lightness28.43%
Dominant channelRed
Hex per channelR 58 · G 3C · B 39
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