Recognised as Colour
#2D3733
- #2D3733
- Cyan
- Dark
- Nearest: Dark slate grey
#2D3733 is a cyan with RGB values 45, 55, 51 and HSL 156°, 10%, 20%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#2D3733#2D3733
HEX#2D3733
RGBrgb(45, 55, 51)
RGB (0–1)0.1765, 0.2157, 0.2
RGB percentages17.6%, 21.6%, 20%
HSLhsl(156, 10%, 19.6%)
HSV / HSBhsv(156, 18.2%, 21.6%)
CMYK18.2%, 0%, 7.3%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,963,251
CSS custom property--colour: #2D3733;
Brightness & contrast
Relative luminance0.03529WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.31:1
Contrast with white12.31:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#D2C8CC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.31:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#372D31
Analogous#2D372E, #2D3637
Triadic#332D37, #37332D
Split complementary#372D36, #372E2D
Tetradic#2E2D37, #372D31, #36372D
Tints, shades & saturation
Channel breakdown
R45
G55
B51
Red45 (17.6%)
Green55 (21.6%)
Blue51 (20%)
Hue156°
Saturation (HSL)10%
Lightness19.61%
Dominant channelGreen
Hex per channelR 2D · G 37 · B 33
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