Colour
#338A90
- #338A90
- Cyan
- Dark
- Nearest: Dark cyan
#338A90 is a cyan with RGB values 51, 138, 144 and HSL 184°, 48%, 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
#338A90#338A90
HEX#338A90
RGBrgb(51, 138, 144)
RGB (0–1)0.2, 0.5412, 0.5647
RGB percentages20%, 54.1%, 56.5%
HSLhsl(183.9, 47.7%, 38.2%)
HSV / HSBhsv(183.9, 64.6%, 56.5%)
CMYK64.6%, 4.2%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,377,808
CSS custom property--colour: #338A90;
Brightness & contrast
Relative luminance0.20894WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.18:1
Contrast with white4.05:1WCAG normal text: Fail
Contrast with black5.18:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#CC756F
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.05:1WCAG large text: AA
Contrast with black, large text5.18:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#903933
Analogous#339067, #335C90
Triadic#90338A, #8A9033
Split complementary#90335C, #906833
Tetradic#673390, #903933, #5B9033
Tints, shades & saturation
Channel breakdown
R51
G138
B144
Red51 (20%)
Green138 (54.1%)
Blue144 (56.5%)
Hue183.87°
Saturation (HSL)47.69%
Lightness38.24%
Dominant channelBlue
Hex per channelR 33 · G 8A · B 90
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