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Recognised as Colour

#0D28BB

  • #0D28BB
  • Blue
  • Dark
  • Nearest: Dark blue

#0D28BB is a blue with RGB values 13, 40, 187 and HSL 231°, 87%, 39%. 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

#0D28BB#0D28BB
HEX#0D28BB
RGBrgb(13, 40, 187)
RGB (0–1)0.051, 0.1569, 0.7333
RGB percentages5.1%, 15.7%, 73.3%
HSLhsl(230.7, 87%, 39.2%)
HSV / HSBhsv(230.7, 93%, 73.3%)
CMYK93%, 78.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer862,395
CSS custom property--colour: #0D28BB;

Brightness & contrast

Relative luminance0.05191WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.3:1
Contrast with white10.3:1WCAG normal text: AAA
Contrast with black2.04:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#F2D744

Colour vision & accessibility

Protanopia#0049BFno red cones; affects about 1% of men; ΔE 23.4 from the original
Deuteranopia#0038B9no green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#005671no blue cones; rare, and affects men and women equally; ΔE 82.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.3:1WCAG large text: AAA
Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark blue (#00008B)ΔE 15.17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#BBA00D
Analogous#0D7FBB, #490DBB
Triadic#BB0D28, #28BB0D
Split complementary#BB490D, #7FBB0D
Tetradic#BB0D7F, #BBA00D, #0DBB49

Tints, shades & saturation

Lighter +40%#9CAAF8
Lighter +30%#6C81F5
Lighter +20%#3D59F1
Lighter +10%#1032EB
Darker −10%#0A1E8B
Darker −20%#06145C
Darker −30%#03092C
Darker −40%#000000
More saturated +25%#001FC8
Less saturated −25%#2639A2

Channel breakdown

R13
G40
B187
Red13 (5.1%)
Green40 (15.7%)
Blue187 (73.3%)
Hue230.69°
Saturation (HSL)87%
Lightness39.22%
Dominant channelBlue
Hex per channelR 0D · G 28 · B BB

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Every value on this page was computed from “0d28bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.