Recognised as Colour
#103A33
- #103A33
- Cyan
- Dark
- Nearest: Dark slate grey
#103A33 is a cyan with RGB values 16, 58, 51 and HSL 170°, 57%, 15%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#103A33#103A33
HEX#103A33
RGBrgb(16, 58, 51)
RGB (0–1)0.0627, 0.2275, 0.2
RGB percentages6.3%, 22.7%, 20%
HSLhsl(170, 56.8%, 14.5%)
HSV / HSBhsv(170, 72.4%, 22.7%)
CMYK72.4%, 0%, 12.1%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,063,475
CSS custom property--colour: #103A33;
Brightness & contrast
Relative luminance0.03375WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.54:1
Contrast with white12.54:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#EFC5CC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.54:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3A1017
Analogous#103A1E, #102C3A
Triadic#33103A, #3A3310
Split complementary#3A102C, #3A1E10
Tetradic#1E103A, #3A1017, #2C3A10
Tints, shades & saturation
Channel breakdown
R16
G58
B51
Red16 (6.3%)
Green58 (22.7%)
Blue51 (20%)
Hue170°
Saturation (HSL)56.76%
Lightness14.51%
Dominant channelGreen
Hex per channelR 10 · G 3A · B 33
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