Recognised as Colour
#090181
- #090181
- Blue
- Dark
- Nearest: Navy
#090181 is a blue with RGB values 9, 1, 129 and HSL 244°, 98%, 25%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#090181#090181
HEX#090181
RGBrgb(9, 1, 129)
RGB (0–1)0.0353, 0.0039, 0.5059
RGB percentages3.5%, 0.4%, 50.6%
HSLhsl(243.8, 98.5%, 25.5%)
HSV / HSBhsv(243.8, 99.2%, 50.6%)
CMYK93%, 99.2%, 0%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer590,209
CSS custom property--colour: #090181;
Brightness & contrast
Relative luminance0.01665WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.75:1
Contrast with white15.75:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#0C0C0C
Inverted#F6FE7E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.75:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#798101
Analogous#013981, #490181
Triadic#810901, #018109
Split complementary#814901, #398101
Tetradic#810139, #798101, #018149
Tints, shades & saturation
Channel breakdown
R9
G1
B129
Red9 (3.5%)
Green1 (0.4%)
Blue129 (50.6%)
Hue243.75°
Saturation (HSL)98.46%
Lightness25.49%
Dominant channelBlue
Hex per channelR 09 · G 01 · B 81
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