Colour
#0028BB
- #0028BB
- Blue
- Dark
- Nearest: Dark blue
#0028BB is a blue with RGB values 0, 40, 187 and HSL 227°, 100%, 37%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#0028BB#0028BB
HEX#0028BB
RGBrgb(0, 40, 187)
RGB (0–1)0, 0.1569, 0.7333
RGB percentages0%, 15.7%, 73.3%
HSLhsl(227.2, 100%, 36.7%)
HSV / HSBhsv(227.2, 100%, 73.3%)
CMYK100%, 78.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,427
CSS custom property--colour: #0028BB;
Brightness & contrast
Relative luminance0.05105WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.39:1
Contrast with white10.39:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#FFD744
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.39:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BB9300
Analogous#0086BB, #3500BB
Triadic#BB0028, #28BB00
Split complementary#BB3500, #86BB00
Tetradic#BB0086, #BB9300, #00BB35
Tints, shades & saturation
Channel breakdown
R0
G40
B187
Red0 (0%)
Green40 (15.7%)
Blue187 (73.3%)
Hue227.17°
Saturation (HSL)100%
Lightness36.67%
Dominant channelBlue
Hex per channelR 00 · G 28 · B BB
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