Recognised as Colour
#05159D
- #05159D
- Blue
- Dark
- Nearest: Dark blue
#05159D is a blue with RGB values 5, 21, 157 and HSL 234°, 94%, 32%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#05159D#05159D
HEX#05159D
RGBrgb(5, 21, 157)
RGB (0–1)0.0196, 0.0824, 0.6157
RGB percentages2%, 8.2%, 61.6%
HSLhsl(233.7, 93.8%, 31.8%)
HSV / HSBhsv(233.7, 96.8%, 61.6%)
CMYK96.8%, 86.6%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer333,213
CSS custom property--colour: #05159D;
Brightness & contrast
Relative luminance0.03003WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.12:1
Contrast with white13.12:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#FAEA62
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.12:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9D8D05
Analogous#05619D, #41059D
Triadic#9D0515, #159D05
Split complementary#9D4105, #619D05
Tetradic#9D0561, #9D8D05, #059D41
Tints, shades & saturation
Channel breakdown
R5
G21
B157
Red5 (2%)
Green21 (8.2%)
Blue157 (61.6%)
Hue233.68°
Saturation (HSL)93.83%
Lightness31.76%
Dominant channelBlue
Hex per channelR 05 · G 15 · B 9D
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