Colour
#0A535C
- #0A535C
- Cyan
- Dark
- Nearest: Dark slate grey
#0A535C is a cyan with RGB values 10, 83, 92 and HSL 187°, 80%, 20%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#0A535C#0A535C
HEX#0A535C
RGBrgb(10, 83, 92)
RGB (0–1)0.0392, 0.3255, 0.3608
RGB percentages3.9%, 32.5%, 36.1%
HSLhsl(186.6, 80.4%, 20%)
HSV / HSBhsv(186.6, 89.1%, 36.1%)
CMYK89.1%, 9.8%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer676,700
CSS custom property--colour: #0A535C;
Brightness & contrast
Relative luminance0.07024WCAG 2.x, 0 is black and 1 is white
Perceived brightness71 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.73:1
Contrast with white8.73:1WCAG normal text: AAA
Contrast with black2.4:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#F5ACA3
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.73:1WCAG large text: AAA
Contrast with black, large text2.4:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5C130A
Analogous#0A5C3C, #0A2A5C
Triadic#5C0A53, #535C0A
Split complementary#5C0A2A, #5C3C0A
Tetradic#3C0A5C, #5C130A, #2A5C0A
Tints, shades & saturation
Channel breakdown
R10
G83
B92
Red10 (3.9%)
Green83 (32.5%)
Blue92 (36.1%)
Hue186.59°
Saturation (HSL)80.39%
Lightness20%
Dominant channelBlue
Hex per channelR 0A · G 53 · B 5C
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