Colour
#003131
- #003131
- Cyan
- Dark
- Nearest: Dark slate grey
#003131 is a cyan with RGB values 0, 49, 49 and HSL 180°, 100%, 10%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#003131#003131
HEX#003131
RGBrgb(0, 49, 49)
RGB (0–1)0, 0.1922, 0.1922
RGB percentages0%, 19.2%, 19.2%
HSLhsl(180, 100%, 9.6%)
HSV / HSBhsv(180, 100%, 19.2%)
CMYK100%, 0%, 0%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,593
CSS custom property--colour: #003131;
Brightness & contrast
Relative luminance0.02418WCAG 2.x, 0 is black and 1 is white
Perceived brightness41 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.15:1
Contrast with white14.15:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#FFCECE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.15:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#310000
Analogous#003119, #001931
Triadic#310031, #313100
Split complementary#310019, #311900
Tetradic#190031, #310000, #193100
Tints, shades & saturation
Channel breakdown
R0
G49
B49
Red0 (0%)
Green49 (19.2%)
Blue49 (19.2%)
Hue180°
Saturation (HSL)100%
Lightness9.61%
Dominant channelGreen and Blue
Hex per channelR 00 · G 31 · B 31
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