Colour
#2A33BB
- #2A33BB
- Blue
- Dark
- Nearest: Dark blue
#2A33BB is a blue with RGB values 42, 51, 187 and HSL 236°, 63%, 45%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#2A33BB#2A33BB
HEX#2A33BB
RGBrgb(42, 51, 187)
RGB (0–1)0.1647, 0.2, 0.7333
RGB percentages16.5%, 20%, 73.3%
HSLhsl(236.3, 63.3%, 44.9%)
HSV / HSBhsv(236.3, 77.5%, 73.3%)
CMYK77.5%, 72.7%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,765,755
CSS custom property--colour: #2A33BB;
Brightness & contrast
Relative luminance0.06448WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.17:1
Contrast with white9.17:1WCAG normal text: AAA
Contrast with black2.29:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#D5CC44
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.17:1WCAG large text: AAA
Contrast with black, large text2.29:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BBB22A
Analogous#2A7BBB, #6A2ABB
Triadic#BB2A33, #33BB2A
Split complementary#BB6A2A, #7BBB2A
Tetradic#BB2A7B, #BBB22A, #2ABB6A
Tints, shades & saturation
Channel breakdown
R42
G51
B187
Red42 (16.5%)
Green51 (20%)
Blue187 (73.3%)
Hue236.28°
Saturation (HSL)63.32%
Lightness44.9%
Dominant channelBlue
Hex per channelR 2A · G 33 · B BB
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