Colour
#0B565B
- #0B565B
- Cyan
- Dark
- Nearest: Dark slate grey
#0B565B is a cyan with RGB values 11, 86, 91 and HSL 184°, 78%, 20%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#0B565B#0B565B
HEX#0B565B
RGBrgb(11, 86, 91)
RGB (0–1)0.0431, 0.3373, 0.3569
RGB percentages4.3%, 33.7%, 35.7%
HSLhsl(183.8, 78.4%, 20%)
HSV / HSBhsv(183.8, 87.9%, 35.7%)
CMYK87.9%, 5.5%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer743,003
CSS custom property--colour: #0B565B;
Brightness & contrast
Relative luminance0.07482WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.41:1
Contrast with white8.41:1WCAG normal text: AAA
Contrast with black2.5:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#F4A9A4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.41:1WCAG large text: AAA
Contrast with black, large text2.5:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5B100B
Analogous#0B5B38, #0B2E5B
Triadic#5B0B56, #565B0B
Split complementary#5B0B2E, #5B380B
Tetradic#380B5B, #5B100B, #2E5B0B
Tints, shades & saturation
Channel breakdown
R11
G86
B91
Red11 (4.3%)
Green86 (33.7%)
Blue91 (35.7%)
Hue183.75°
Saturation (HSL)78.43%
Lightness20%
Dominant channelBlue
Hex per channelR 0B · G 56 · B 5B
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