Recognised as Colour
#398A88
- #398A88
- Cyan
- Dark
- Nearest: Dark cyan
#398A88 is a cyan with RGB values 57, 138, 136 and HSL 179°, 42%, 38%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#398A88#398A88
HEX#398A88
RGBrgb(57, 138, 136)
RGB (0–1)0.2235, 0.5412, 0.5333
RGB percentages22.4%, 54.1%, 53.3%
HSLhsl(178.5, 41.5%, 38.2%)
HSV / HSBhsv(178.5, 58.7%, 54.1%)
CMYK58.7%, 0%, 1.4%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,771,016
CSS custom property--colour: #398A88;
Brightness & contrast
Relative luminance0.20824WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.16:1
Contrast with white4.07:1WCAG normal text: Fail
Contrast with black5.16:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#C67577
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.07:1WCAG large text: AA
Contrast with black, large text5.16:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8A393B
Analogous#398A5F, #39648A
Triadic#88398A, #8A8839
Split complementary#8A3964, #8A5F39
Tetradic#5F398A, #8A393B, #648A39
Tints, shades & saturation
Channel breakdown
R57
G138
B136
Red57 (22.4%)
Green138 (54.1%)
Blue136 (53.3%)
Hue178.52°
Saturation (HSL)41.54%
Lightness38.24%
Dominant channelGreen
Hex per channelR 39 · G 8A · B 88
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