Colour
#10353B
- #10353B
- Cyan
- Dark
- Nearest: Dark slate grey
#10353B is a cyan with RGB values 16, 53, 59 and HSL 188°, 57%, 15%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#10353B#10353B
HEX#10353B
RGBrgb(16, 53, 59)
RGB (0–1)0.0627, 0.2078, 0.2314
RGB percentages6.3%, 20.8%, 23.1%
HSLhsl(188.4, 57.3%, 14.7%)
HSV / HSBhsv(188.4, 72.9%, 23.1%)
CMYK72.9%, 10.2%, 0%, 76.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,062,203
CSS custom property--colour: #10353B;
Brightness & contrast
Relative luminance0.02972WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.17:1
Contrast with white13.17:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#EFCAC4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.17:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3B1610
Analogous#103B2C, #101F3B
Triadic#3B1035, #353B10
Split complementary#3B101F, #3B2C10
Tetradic#2C103B, #3B1610, #1F3B10
Tints, shades & saturation
Channel breakdown
R16
G53
B59
Red16 (6.3%)
Green53 (20.8%)
Blue59 (23.1%)
Hue188.37°
Saturation (HSL)57.33%
Lightness14.71%
Dominant channelBlue
Hex per channelR 10 · G 35 · B 3B
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