Colour
#408D89
- #408D89
- Cyan
- Dark
- Nearest: Dark cyan
#408D89 is a cyan with RGB values 64, 141, 137 and HSL 177°, 38%, 40%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#408D89#408D89
HEX#408D89
RGBrgb(64, 141, 137)
RGB (0–1)0.251, 0.5529, 0.5373
RGB percentages25.1%, 55.3%, 53.7%
HSLhsl(176.9, 37.6%, 40.2%)
HSV / HSBhsv(176.9, 54.6%, 55.3%)
CMYK54.6%, 0%, 2.8%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,230,537
CSS custom property--colour: #408D89;
Brightness & contrast
Relative luminance0.21946WCAG 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 5.39:1
Contrast with white3.9:1WCAG normal text: Fail
Contrast with black5.39:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#BF7276
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.9:1WCAG large text: AA
Contrast with black, large text5.39:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8D4044
Analogous#408D63, #406B8D
Triadic#89408D, #8D8940
Split complementary#8D406B, #8D6340
Tetradic#62408D, #8D4044, #6B8D40
Tints, shades & saturation
Channel breakdown
R64
G141
B137
Red64 (25.1%)
Green141 (55.3%)
Blue137 (53.7%)
Hue176.88°
Saturation (HSL)37.56%
Lightness40.2%
Dominant channelGreen
Hex per channelR 40 · G 8D · B 89
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