Nerdulator> put something in

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

Protanopia#0047B5no red cones; affects about 1% of men; ΔE 21.3 from the original
Deuteranopia#0039AFno green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#00526Cno blue cones; rare, and affects men and women equally; ΔE 75.6 from the original
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

Nearest named CSS colourDark blue (#00008B)ΔE 13.76, a distinctly different colour
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

Lighter +40%#AEB2F0
Lighter +30%#8389E8
Lighter +20%#5861E0
Lighter +10%#2D38D8
Darker −10%#192086
Darker −20%#11165B
Darker −30%#090B30
Darker −40%#010105
More saturated +25%#0713CB
Less saturated −25%#3B4197

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

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

Every value on this page was computed from “212ab1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.