Colour
#0A057B
- #0A057B
- Blue
- Dark
- Nearest: Navy
#0A057B is a blue with RGB values 10, 5, 123 and HSL 243°, 92%, 25%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#0A057B#0A057B
HEX#0A057B
RGBrgb(10, 5, 123)
RGB (0–1)0.0392, 0.0196, 0.4824
RGB percentages3.9%, 2%, 48.2%
HSLhsl(242.5, 92.2%, 25.1%)
HSV / HSBhsv(242.5, 95.9%, 48.2%)
CMYK91.9%, 95.9%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer656,763
CSS custom property--colour: #0A057B;
Brightness & contrast
Relative luminance0.01603WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.9:1
Contrast with white15.9:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#F5FA84
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.9:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#767B05
Analogous#053B7B, #45057B
Triadic#7B0A05, #057B0A
Split complementary#7B4505, #3B7B05
Tetradic#7B053B, #767B05, #057B45
Tints, shades & saturation
Channel breakdown
R10
G5
B123
Red10 (3.9%)
Green5 (2%)
Blue123 (48.2%)
Hue242.54°
Saturation (HSL)92.19%
Lightness25.1%
Dominant channelBlue
Hex per channelR 0A · G 05 · B 7B
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