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Recognised as Colour

#2037AB

  • #2037AB
  • Blue
  • Dark
  • Nearest: Slate blue

#2037AB is a blue with RGB values 32, 55, 171 and HSL 230°, 68%, 40%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2037AB#2037AB
HEX#2037AB
RGBrgb(32, 55, 171)
RGB (0–1)0.1255, 0.2157, 0.6706
RGB percentages12.5%, 21.6%, 67.1%
HSLhsl(230.1, 68.5%, 39.8%)
HSV / HSBhsv(230.1, 81.3%, 67.1%)
CMYK81.3%, 67.8%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,111,403
CSS custom property--colour: #2037AB;

Brightness & contrast

Relative luminance0.0598WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.56:1
Contrast with white9.56:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#DFC854

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004CAFno red cones; affects about 1% of men; ΔE 16.3 from the original
Deuteranopia#003FA9no green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#00576Cno blue cones; rare, and affects men and women equally; ΔE 67.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.56:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17.2Rebecca purple · ΔE 19Midnight blue · ΔE 20.1Royal blue · ΔE 20.5Navy · ΔE 20.6Dark blue · ΔE 21.8
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17.2, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB9420
Analogous#207CAB, #4F20AB
Triadic#AB2037, #37AB20
Split complementary#AB4F20, #7CAB20
Tetradic#AB207C, #AB9420, #20AB4F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8B4EF
Lighter +30%#7D8FE7
Lighter +20%#526ADF
Lighter +10%#2845D6
Darker −10%#182980
Darker −20%#101B55
Darker −30%#080E2A
Darker −40%#000000
More saturated +25%#0726C4
Less saturated −25%#394892

Channel breakdown

R32
G55
B171
Red32 (12.5%)
Green55 (21.6%)
Blue171 (67.1%)
Hue230.07°
Saturation (HSL)68.47%
Lightness39.8%
Dominant channelBlue
Hex per channelR 20 · G 37 · B AB

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Every value on this page was computed from “2037ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.