Recognised as Colour
#280FA6
- #280FA6
- Blue
- Dark
- Nearest: Dark blue
#280FA6 is a blue with RGB values 40, 15, 166 and HSL 250°, 83%, 35%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#280FA6#280FA6
HEX#280FA6
RGBrgb(40, 15, 166)
RGB (0–1)0.1569, 0.0588, 0.651
RGB percentages15.7%, 5.9%, 65.1%
HSLhsl(249.9, 83.4%, 35.5%)
HSV / HSBhsv(249.9, 91%, 65.1%)
CMYK75.9%, 91%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,625,446
CSS custom property--colour: #280FA6;
Brightness & contrast
Relative luminance0.03546WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.29:1
Contrast with white12.29:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#D7F059
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.29:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8DA60F
Analogous#0F42A6, #730FA6
Triadic#A6280F, #0FA628
Split complementary#A6730F, #42A60F
Tetradic#A60F42, #8DA60F, #0FA673
Tints, shades & saturation
Channel breakdown
R40
G15
B166
Red40 (15.7%)
Green15 (5.9%)
Blue166 (65.1%)
Hue249.93°
Saturation (HSL)83.43%
Lightness35.49%
Dominant channelBlue
Hex per channelR 28 · G 0F · B A6
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