Colour
#121F99
- #121F99
- Blue
- Dark
- Nearest: Navy
#121F99 is a blue with RGB values 18, 31, 153 and HSL 234°, 79%, 34%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#121F99#121F99
HEX#121F99
RGBrgb(18, 31, 153)
RGB (0–1)0.0706, 0.1216, 0.6
RGB percentages7.1%, 12.2%, 60%
HSLhsl(234.2, 78.9%, 33.5%)
HSV / HSBhsv(234.2, 88.2%, 60%)
CMYK88.2%, 79.7%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,187,737
CSS custom property--colour: #121F99;
Brightness & contrast
Relative luminance0.03408WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.49:1
Contrast with white12.49:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#EDE066
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.49:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#998C12
Analogous#126399, #481299
Triadic#99121F, #1F9912
Split complementary#994912, #629912
Tetradic#991263, #998C12, #129949
Tints, shades & saturation
Channel breakdown
R18
G31
B153
Red18 (7.1%)
Green31 (12.2%)
Blue153 (60%)
Hue234.22°
Saturation (HSL)78.95%
Lightness33.53%
Dominant channelBlue
Hex per channelR 12 · G 1F · B 99
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