Colour
#30393A
- #30393A
- Cyan
- Dark
- Nearest: Dark slate grey
#30393A is a cyan with RGB values 48, 57, 58 and HSL 186°, 9%, 21%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#30393A#30393A
HEX#30393A
RGBrgb(48, 57, 58)
RGB (0–1)0.1882, 0.2235, 0.2275
RGB percentages18.8%, 22.4%, 22.7%
HSLhsl(186, 9.4%, 20.8%)
HSV / HSBhsv(186, 17.2%, 22.7%)
CMYK17.2%, 1.7%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,160,378
CSS custom property--colour: #30393A;
Brightness & contrast
Relative luminance0.0386WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.85:1
Contrast with white11.85:1WCAG normal text: AAA
Contrast with black1.77:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#CFC6C5
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.85:1WCAG large text: AAA
Contrast with black, large text1.77:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3A3130
Analogous#303A36, #30343A
Triadic#3A3039, #393A30
Split complementary#3A3034, #3A3630
Tetradic#36303A, #3A3130, #343A30
Tints, shades & saturation
Channel breakdown
R48
G57
B58
Red48 (18.8%)
Green57 (22.4%)
Blue58 (22.7%)
Hue186°
Saturation (HSL)9.43%
Lightness20.78%
Dominant channelBlue
Hex per channelR 30 · G 39 · B 3A
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