Colour
#33554E
- #33554E
- Cyan
- Dark
- Nearest: Dark slate grey
#33554E is a cyan with RGB values 51, 85, 78 and HSL 168°, 25%, 27%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#33554E#33554E
HEX#33554E
RGBrgb(51, 85, 78)
RGB (0–1)0.2, 0.3333, 0.3059
RGB percentages20%, 33.3%, 30.6%
HSLhsl(167.6, 25%, 26.7%)
HSV / HSBhsv(167.6, 40%, 33.3%)
CMYK40%, 0%, 8.2%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,364,174
CSS custom property--colour: #33554E;
Brightness & contrast
Relative luminance0.07751WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.23:1
Contrast with white8.23:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#CCAAB1
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.23:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#55333A
Analogous#33553D, #334B55
Triadic#4E3355, #554E33
Split complementary#55334B, #553D33
Tetradic#3D3355, #55333A, #4B5533
Tints, shades & saturation
Channel breakdown
R51
G85
B78
Red51 (20%)
Green85 (33.3%)
Blue78 (30.6%)
Hue167.65°
Saturation (HSL)25%
Lightness26.67%
Dominant channelGreen
Hex per channelR 33 · G 55 · B 4E
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