Recognised as Colour
#39A3A3
- #39A3A3
- Cyan
- Dark
- Nearest: Dark cyan
#39A3A3 is a cyan with RGB values 57, 163, 163 and HSL 180°, 48%, 43%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#39A3A3#39A3A3
HEX#39A3A3
RGBrgb(57, 163, 163)
RGB (0–1)0.2235, 0.6392, 0.6392
RGB percentages22.4%, 63.9%, 63.9%
HSLhsl(180, 48.2%, 43.1%)
HSV / HSBhsv(180, 65%, 63.9%)
CMYK65%, 0%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,777,443
CSS custom property--colour: #39A3A3;
Brightness & contrast
Relative luminance0.29709WCAG 2.x, 0 is black and 1 is white
Perceived brightness140 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.94:1
Contrast with white3.03:1WCAG normal text: Fail
Contrast with black6.94:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#C65C5C
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.03:1WCAG large text: AA
Contrast with black, large text6.94:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A33939
Analogous#39A36E, #396EA3
Triadic#A339A3, #A3A339
Split complementary#A3396E, #A36E39
Tetradic#6E39A3, #A33939, #6EA339
Tints, shades & saturation
Channel breakdown
R57
G163
B163
Red57 (22.4%)
Green163 (63.9%)
Blue163 (63.9%)
Hue180°
Saturation (HSL)48.18%
Lightness43.14%
Dominant channelGreen and Blue
Hex per channelR 39 · G A3 · B A3
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