Colour
#03218F
- #03218F
- Blue
- Dark
- Nearest: Navy
#03218F is a blue with RGB values 3, 33, 143 and HSL 227°, 96%, 29%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#03218F#03218F
HEX#03218F
RGBrgb(3, 33, 143)
RGB (0–1)0.0118, 0.1294, 0.5608
RGB percentages1.2%, 12.9%, 56.1%
HSLhsl(227.1, 95.9%, 28.6%)
HSV / HSBhsv(227.1, 97.9%, 56.1%)
CMYK97.9%, 76.9%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer205,199
CSS custom property--colour: #03218F;
Brightness & contrast
Relative luminance0.0309WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.98:1
Contrast with white12.98:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#FCDE70
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.98:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8F7103
Analogous#03678F, #2B038F
Triadic#8F0321, #218F03
Split complementary#8F2B03, #678F03
Tetradic#8F0367, #8F7103, #038F2B
Tints, shades & saturation
Channel breakdown
R3
G33
B143
Red3 (1.2%)
Green33 (12.9%)
Blue143 (56.1%)
Hue227.14°
Saturation (HSL)95.89%
Lightness28.63%
Dominant channelBlue
Hex per channelR 03 · G 21 · B 8F
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