Recognised as Colour
#03099B
- #03099B
- Blue
- Dark
- Nearest: Dark blue
#03099B is a blue with RGB values 3, 9, 155 and HSL 238°, 96%, 31%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#03099B#03099B
HEX#03099B
RGBrgb(3, 9, 155)
RGB (0–1)0.0118, 0.0353, 0.6078
RGB percentages1.2%, 3.5%, 60.8%
HSLhsl(237.6, 96.2%, 31%)
HSV / HSBhsv(237.6, 98.1%, 60.8%)
CMYK98.1%, 94.2%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer199,067
CSS custom property--colour: #03099B;
Brightness & contrast
Relative luminance0.02581WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.85:1
Contrast with white13.85:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#FCF664
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.85:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9B9503
Analogous#03559B, #49039B
Triadic#9B0309, #099B03
Split complementary#9B4903, #559B03
Tetradic#9B0355, #9B9503, #039B49
Tints, shades & saturation
Channel breakdown
R3
G9
B155
Red3 (1.2%)
Green9 (3.5%)
Blue155 (60.8%)
Hue237.63°
Saturation (HSL)96.2%
Lightness30.98%
Dominant channelBlue
Hex per channelR 03 · G 09 · B 9B
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