Recognised as Colour
#2831AC
- #2831AC
- Blue
- Dark
- Nearest: Navy
#2831AC is a blue with RGB values 40, 49, 172 and HSL 236°, 62%, 42%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#2831AC#2831AC
HEX#2831AC
RGBrgb(40, 49, 172)
RGB (0–1)0.1569, 0.1922, 0.6745
RGB percentages15.7%, 19.2%, 67.5%
HSLhsl(235.9, 62.3%, 41.6%)
HSV / HSBhsv(235.9, 76.7%, 67.5%)
CMYK76.7%, 71.5%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,634,156
CSS custom property--colour: #2831AC;
Brightness & contrast
Relative luminance0.05626WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.88:1
Contrast with white9.88:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#D7CE53
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.88:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#ACA328
Analogous#2873AC, #6128AC
Triadic#AC2831, #31AC28
Split complementary#AC6128, #73AC28
Tetradic#AC2873, #ACA328, #28AC61
Tints, shades & saturation
Channel breakdown
R40
G49
B172
Red40 (15.7%)
Green49 (19.2%)
Blue172 (67.5%)
Hue235.91°
Saturation (HSL)62.26%
Lightness41.57%
Dominant channelBlue
Hex per channelR 28 · G 31 · B AC
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page