Colour
#180A97
- #180A97
- Blue
- Dark
- Nearest: Dark blue
#180A97 is a blue with RGB values 24, 10, 151 and HSL 246°, 88%, 32%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#180A97#180A97
HEX#180A97
RGBrgb(24, 10, 151)
RGB (0–1)0.0941, 0.0392, 0.5922
RGB percentages9.4%, 3.9%, 59.2%
HSLhsl(246, 87.6%, 31.6%)
HSV / HSBhsv(246, 93.4%, 59.2%)
CMYK84.1%, 93.4%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,575,575
CSS custom property--colour: #180A97;
Brightness & contrast
Relative luminance0.02646WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.73:1
Contrast with white13.73:1WCAG normal text: AAA
Contrast with black1.53:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#E7F568
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.73:1WCAG large text: AAA
Contrast with black, large text1.53:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#89970A
Analogous#0A4297, #5F0A97
Triadic#97180A, #0A9718
Split complementary#975F0A, #42970A
Tetradic#970A42, #89970A, #0A975F
Tints, shades & saturation
Channel breakdown
R24
G10
B151
Red24 (9.4%)
Green10 (3.9%)
Blue151 (59.2%)
Hue245.96°
Saturation (HSL)87.58%
Lightness31.57%
Dominant channelBlue
Hex per channelR 18 · G 0A · B 97
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