Colour
#363D40
- #363D40
- Cyan
- Dark
- Nearest: Dark slate grey
#363D40 is a cyan with RGB values 54, 61, 64 and HSL 198°, 8%, 23%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#363D40#363D40
HEX#363D40
RGBrgb(54, 61, 64)
RGB (0–1)0.2118, 0.2392, 0.251
RGB percentages21.2%, 23.9%, 25.1%
HSLhsl(198, 8.5%, 23.1%)
HSV / HSBhsv(198, 15.6%, 25.1%)
CMYK15.6%, 4.7%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,554,624
CSS custom property--colour: #363D40;
Brightness & contrast
Relative luminance0.04492WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.06:1
Contrast with white11.06:1WCAG normal text: AAA
Contrast with black1.9:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#C9C2BF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.06:1WCAG large text: AAA
Contrast with black, large text1.9:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#403936
Analogous#36403E, #363840
Triadic#40363D, #3D4036
Split complementary#403638, #403E36
Tetradic#3E3640, #403936, #384036
Tints, shades & saturation
Channel breakdown
R54
G61
B64
Red54 (21.2%)
Green61 (23.9%)
Blue64 (25.1%)
Hue198°
Saturation (HSL)8.47%
Lightness23.14%
Dominant channelBlue
Hex per channelR 36 · G 3D · B 40
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