Colour
#223D38
- #223D38
- Cyan
- Dark
- Nearest: Dark slate grey
#223D38 is a cyan with RGB values 34, 61, 56 and HSL 169°, 28%, 19%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#223D38#223D38
HEX#223D38
RGBrgb(34, 61, 56)
RGB (0–1)0.1333, 0.2392, 0.2196
RGB percentages13.3%, 23.9%, 22%
HSLhsl(168.9, 28.4%, 18.6%)
HSV / HSBhsv(168.9, 44.3%, 23.9%)
CMYK44.3%, 0%, 8.2%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,243,896
CSS custom property--colour: #223D38;
Brightness & contrast
Relative luminance0.03963WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.71:1
Contrast with white11.71:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#DDC2C7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.71:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3D2227
Analogous#223D2B, #22343D
Triadic#38223D, #3D3822
Split complementary#3D2235, #3D2B22
Tetradic#2B223D, #3D2227, #343D22
Tints, shades & saturation
Channel breakdown
R34
G61
B56
Red34 (13.3%)
Green61 (23.9%)
Blue56 (22%)
Hue168.89°
Saturation (HSL)28.42%
Lightness18.63%
Dominant channelGreen
Hex per channelR 22 · G 3D · B 38
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