Recognised as Colour
#212AB1
- #212AB1
- Blue
- Dark
- Nearest: Dark blue
#212AB1 is a blue with RGB values 33, 42, 177 and HSL 236°, 69%, 41%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#212AB1#212AB1
HEX#212AB1
RGBrgb(33, 42, 177)
RGB (0–1)0.1294, 0.1647, 0.6941
RGB percentages12.9%, 16.5%, 69.4%
HSLhsl(236.3, 68.6%, 41.2%)
HSV / HSBhsv(236.3, 81.4%, 69.4%)
CMYK81.4%, 76.3%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,173,617
CSS custom property--colour: #212AB1;
Brightness & contrast
Relative luminance0.05154WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.34:1
Contrast with white10.34:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#DED54E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.34:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B1A821
Analogous#2172B1, #6021B1
Triadic#B1212A, #2AB121
Split complementary#B16021, #72B121
Tetradic#B12172, #B1A821, #21B160
Tints, shades & saturation
Channel breakdown
R33
G42
B177
Red33 (12.9%)
Green42 (16.5%)
Blue177 (69.4%)
Hue236.25°
Saturation (HSL)68.57%
Lightness41.18%
Dominant channelBlue
Hex per channelR 21 · G 2A · B B1
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