Recognised as Colour
#4A8990
- #4A8990
- Cyan
- Dark
- Nearest: Cadetblue
#4A8990 is a cyan with RGB values 74, 137, 144 and HSL 186°, 32%, 43%. 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
#4A8990#4A8990
HEX#4A8990
RGBrgb(74, 137, 144)
RGB (0–1)0.2902, 0.5373, 0.5647
RGB percentages29%, 53.7%, 56.5%
HSLhsl(186, 32.1%, 42.7%)
HSV / HSBhsv(186, 48.6%, 56.5%)
CMYK48.6%, 4.9%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,884,880
CSS custom property--colour: #4A8990;
Brightness & contrast
Relative luminance0.21361WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.27:1
Contrast with white3.98:1WCAG normal text: Fail
Contrast with black5.27:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#B5766F
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.98:1WCAG large text: AA
Contrast with black, large text5.27:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#90514A
Analogous#4A9074, #4A6690
Triadic#904A89, #89904A
Split complementary#904A66, #90744A
Tetradic#744A90, #90514A, #66904A
Tints, shades & saturation
Channel breakdown
R74
G137
B144
Red74 (29%)
Green137 (53.7%)
Blue144 (56.5%)
Hue186°
Saturation (HSL)32.11%
Lightness42.75%
Dominant channelBlue
Hex per channelR 4A · G 89 · B 90
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