Recognised as Colour
#398D81
- #398D81
- Cyan
- Dark
- Nearest: Dark cyan
#398D81 is a cyan with RGB values 57, 141, 129 and HSL 171°, 42%, 39%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#398D81#398D81
HEX#398D81
RGBrgb(57, 141, 129)
RGB (0–1)0.2235, 0.5529, 0.5059
RGB percentages22.4%, 55.3%, 50.6%
HSLhsl(171.4, 42.4%, 38.8%)
HSV / HSBhsv(171.4, 59.6%, 55.3%)
CMYK59.6%, 0%, 8.5%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,771,777
CSS custom property--colour: #398D81;
Brightness & contrast
Relative luminance0.21505WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.3:1
Contrast with white3.96:1WCAG normal text: Fail
Contrast with black5.3:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#C6727E
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.96:1WCAG large text: AA
Contrast with black, large text5.3:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8D3945
Analogous#398D57, #396F8D
Triadic#81398D, #8D8139
Split complementary#8D396F, #8D5739
Tetradic#57398D, #8D3945, #6F8D39
Tints, shades & saturation
Channel breakdown
R57
G141
B129
Red57 (22.4%)
Green141 (55.3%)
Blue129 (50.6%)
Hue171.43°
Saturation (HSL)42.42%
Lightness38.82%
Dominant channelGreen
Hex per channelR 39 · G 8D · B 81
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