Recognised as Colour
#103B33
- #103B33
- Cyan
- Dark
- Nearest: Dark slate grey
#103B33 is a cyan with RGB values 16, 59, 51 and HSL 169°, 57%, 15%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#103B33#103B33
HEX#103B33
RGBrgb(16, 59, 51)
RGB (0–1)0.0627, 0.2314, 0.2
RGB percentages6.3%, 23.1%, 20%
HSLhsl(168.8, 57.3%, 14.7%)
HSV / HSBhsv(168.8, 72.9%, 23.1%)
CMYK72.9%, 0%, 13.6%, 76.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,063,731
CSS custom property--colour: #103B33;
Brightness & contrast
Relative luminance0.03477WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.39:1
Contrast with white12.39:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#EFC4CC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.39:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3B1018
Analogous#103B1E, #102D3B
Triadic#33103B, #3B3310
Split complementary#3B102D, #3B1E10
Tetradic#1E103B, #3B1018, #2D3B10
Tints, shades & saturation
Channel breakdown
R16
G59
B51
Red16 (6.3%)
Green59 (23.1%)
Blue51 (20%)
Hue168.84°
Saturation (HSL)57.33%
Lightness14.71%
Dominant channelGreen
Hex per channelR 10 · G 3B · B 33
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