Recognised as Colour
#588D91
- #588D91
- Cyan
- Dark
- Nearest: Cadetblue
#588D91 is a cyan with RGB values 88, 141, 145 and HSL 184°, 24%, 46%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#588D91#588D91
HEX#588D91
RGBrgb(88, 141, 145)
RGB (0–1)0.3451, 0.5529, 0.5686
RGB percentages34.5%, 55.3%, 56.9%
HSLhsl(184.2, 24.5%, 45.7%)
HSV / HSBhsv(184.2, 39.3%, 56.9%)
CMYK39.3%, 2.8%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,803,409
CSS custom property--colour: #588D91;
Brightness & contrast
Relative luminance0.23169WCAG 2.x, 0 is black and 1 is white
Perceived brightness128 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.63:1
Contrast with white3.73:1WCAG normal text: Fail
Contrast with black5.63:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#A7726E
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.73:1WCAG large text: AA
Contrast with black, large text5.63:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#915C58
Analogous#589179, #587091
Triadic#91588D, #8D9158
Split complementary#915870, #917958
Tetradic#795891, #915C58, #719158
Tints, shades & saturation
Channel breakdown
R88
G141
B145
Red88 (34.5%)
Green141 (55.3%)
Blue145 (56.9%)
Hue184.21°
Saturation (HSL)24.46%
Lightness45.69%
Dominant channelBlue
Hex per channelR 58 · G 8D · B 91
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