Recognised as Colour
#588A89
- #588A89
- Cyan
- Dark
- Nearest: Cadetblue
#588A89 is a cyan with RGB values 88, 138, 137 and HSL 179°, 22%, 44%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#588A89#588A89
HEX#588A89
RGBrgb(88, 138, 137)
RGB (0–1)0.3451, 0.5412, 0.5373
RGB percentages34.5%, 54.1%, 53.7%
HSLhsl(178.8, 22.1%, 44.3%)
HSV / HSBhsv(178.8, 36.2%, 54.1%)
CMYK36.2%, 0%, 0.7%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,802,633
CSS custom property--colour: #588A89;
Brightness & contrast
Relative luminance0.22058WCAG 2.x, 0 is black and 1 is white
Perceived brightness125 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.41:1
Contrast with white3.88:1WCAG normal text: Fail
Contrast with black5.41:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#A77576
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.88:1WCAG large text: AA
Contrast with black, large text5.41:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8A5859
Analogous#588A70, #58728A
Triadic#89588A, #8A8958
Split complementary#8A5872, #8A7058
Tetradic#70588A, #8A5859, #728A58
Tints, shades & saturation
Channel breakdown
R88
G138
B137
Red88 (34.5%)
Green138 (54.1%)
Blue137 (53.7%)
Hue178.8°
Saturation (HSL)22.12%
Lightness44.31%
Dominant channelGreen
Hex per channelR 58 · G 8A · B 89
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