Colour
#18279F
- #18279F
- Blue
- Dark
- Nearest: Navy
#18279F is a blue with RGB values 24, 39, 159 and HSL 233°, 74%, 36%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#18279F#18279F
HEX#18279F
RGBrgb(24, 39, 159)
RGB (0–1)0.0941, 0.1529, 0.6235
RGB percentages9.4%, 15.3%, 62.4%
HSLhsl(233.3, 73.8%, 35.9%)
HSV / HSBhsv(233.3, 84.9%, 62.4%)
CMYK84.9%, 75.5%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,583,007
CSS custom property--colour: #18279F;
Brightness & contrast
Relative luminance0.04148WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.48:1
Contrast with white11.48:1WCAG normal text: AAA
Contrast with black1.83:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#E7D860
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.48:1WCAG large text: AAA
Contrast with black, large text1.83:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9F9018
Analogous#186A9F, #4D189F
Triadic#9F1827, #279F18
Split complementary#9F4D18, #6A9F18
Tetradic#9F186A, #9F9018, #189F4D
Tints, shades & saturation
Channel breakdown
R24
G39
B159
Red24 (9.4%)
Green39 (15.3%)
Blue159 (62.4%)
Hue233.33°
Saturation (HSL)73.77%
Lightness35.88%
Dominant channelBlue
Hex per channelR 18 · G 27 · B 9F
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