Recognised as Colour
#3B28BB
- #3B28BB
- Blue
- Dark
- Nearest: Dark blue
#3B28BB is a blue with RGB values 59, 40, 187 and HSL 248°, 65%, 45%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#3B28BB#3B28BB
HEX#3B28BB
RGBrgb(59, 40, 187)
RGB (0–1)0.2314, 0.1569, 0.7333
RGB percentages23.1%, 15.7%, 73.3%
HSLhsl(247.8, 64.8%, 44.5%)
HSV / HSBhsv(247.8, 78.6%, 73.3%)
CMYK68.4%, 78.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,877,051
CSS custom property--colour: #3B28BB;
Brightness & contrast
Relative luminance0.06035WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.51:1
Contrast with white9.51:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#C4D744
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.51:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A8BB28
Analogous#285EBB, #8528BB
Triadic#BB3B28, #28BB3B
Split complementary#BB8428, #5FBB28
Tetradic#BB285E, #A8BB28, #28BB85
Tints, shades & saturation
Channel breakdown
R59
G40
B187
Red59 (23.1%)
Green40 (15.7%)
Blue187 (73.3%)
Hue247.76°
Saturation (HSL)64.76%
Lightness44.51%
Dominant channelBlue
Hex per channelR 3B · G 28 · B BB
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