Recognised as Colour
#558A7C
- #558A7C
- Cyan
- Dark
- Nearest: Cadetblue
#558A7C is a cyan with RGB values 85, 138, 124 and HSL 164°, 24%, 44%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#558A7C#558A7C
HEX#558A7C
RGBrgb(85, 138, 124)
RGB (0–1)0.3333, 0.5412, 0.4863
RGB percentages33.3%, 54.1%, 48.6%
HSLhsl(164.2, 23.8%, 43.7%)
HSV / HSBhsv(164.2, 38.4%, 54.1%)
CMYK38.4%, 0%, 10.1%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,606,012
CSS custom property--colour: #558A7C;
Brightness & contrast
Relative luminance0.21563WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.31:1
Contrast with white3.95:1WCAG normal text: Fail
Contrast with black5.31:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#AA7583
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.95:1WCAG large text: AA
Contrast with black, large text5.31:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8A5563
Analogous#558A62, #557D8A
Triadic#7C558A, #8A7C55
Split complementary#8A557D, #8A6255
Tetradic#62558A, #8A5563, #7E8A55
Tints, shades & saturation
Channel breakdown
R85
G138
B124
Red85 (33.3%)
Green138 (54.1%)
Blue124 (48.6%)
Hue164.15°
Saturation (HSL)23.77%
Lightness43.73%
Dominant channelGreen
Hex per channelR 55 · G 8A · B 7C
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