Colour
#0A4748
- #0A4748
- Cyan
- Dark
- Nearest: Dark slate grey
#0A4748 is a cyan with RGB values 10, 71, 72 and HSL 181°, 76%, 16%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#0A4748#0A4748
HEX#0A4748
RGBrgb(10, 71, 72)
RGB (0–1)0.0392, 0.2784, 0.2824
RGB percentages3.9%, 27.8%, 28.2%
HSLhsl(181, 75.6%, 16.1%)
HSV / HSBhsv(181, 86.1%, 28.2%)
CMYK86.1%, 1.4%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer673,608
CSS custom property--colour: #0A4748;
Brightness & contrast
Relative luminance0.05039WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.46:1
Contrast with white10.46:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#F5B8B7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.46:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#480B0A
Analogous#0A482A, #0A2848
Triadic#480A47, #47480A
Split complementary#480A28, #482A0A
Tetradic#2A0A48, #480B0A, #28480A
Tints, shades & saturation
Channel breakdown
R10
G71
B72
Red10 (3.9%)
Green71 (27.8%)
Blue72 (28.2%)
Hue180.97°
Saturation (HSL)75.61%
Lightness16.08%
Dominant channelBlue
Hex per channelR 0A · G 47 · B 48
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