Recognised as Colour
#281BA6
- #281BA6
- Blue
- Dark
- Nearest: Dark blue
#281BA6 is a blue with RGB values 40, 27, 166 and HSL 246°, 72%, 38%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#281BA6#281BA6
HEX#281BA6
RGBrgb(40, 27, 166)
RGB (0–1)0.1569, 0.1059, 0.651
RGB percentages15.7%, 10.6%, 65.1%
HSLhsl(245.6, 72%, 37.8%)
HSV / HSBhsv(245.6, 83.7%, 65.1%)
CMYK75.9%, 83.7%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,628,518
CSS custom property--colour: #281BA6;
Brightness & contrast
Relative luminance0.03988WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.68:1
Contrast with white11.68:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#D7E459
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.68:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#99A61B
Analogous#1B53A6, #6E1BA6
Triadic#A6281B, #1BA628
Split complementary#A66E1B, #53A61B
Tetradic#A61B53, #99A61B, #1BA66E
Tints, shades & saturation
Channel breakdown
R40
G27
B166
Red40 (15.7%)
Green27 (10.6%)
Blue166 (65.1%)
Hue245.61°
Saturation (HSL)72.02%
Lightness37.84%
Dominant channelBlue
Hex per channelR 28 · G 1B · B A6
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