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Colour

#0D3B71

  • #0D3B71
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0D3B71 is a blue with RGB values 13, 59, 113 and HSL 212°, 79%, 25%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0D3B71#0D3B71
HEX#0D3B71
RGBrgb(13, 59, 113)
RGB (0–1)0.051, 0.2314, 0.4431
RGB percentages5.1%, 23.1%, 44.3%
HSLhsl(212.4, 79.4%, 24.7%)
HSV / HSBhsv(212.4, 88.5%, 44.3%)
CMYK88.5%, 47.8%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer867,185
CSS custom property--colour: #0D3B71;

Brightness & contrast

Relative luminance0.04406WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.16:1
Contrast with white11.16:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#F2C48E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E4073no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#053770no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#004850no blue cones; rare, and affects men and women equally; ΔE 34.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.16:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21Steel blue · ΔE 29.8Midnight blue · ΔE 29.9Dark slate grey · ΔE 37.3Slate grey · ΔE 38.4Rebecca purple · ΔE 38.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#71430D
Analogous#0D6D71, #110D71
Triadic#710D3B, #3B710D
Split complementary#71110D, #6D710D
Tetradic#710D6D, #71430D, #0D7111

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5E9FEC
Lighter +30%#3084E7
Lighter +20%#186BCC
Lighter +10%#12539F
Darker −10%#082343
Darker −20%#020B16
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003A7E
Less saturated −25%#1D3C61

Channel breakdown

R13
G59
B113
Red13 (5.1%)
Green59 (23.1%)
Blue113 (44.3%)
Hue212.4°
Saturation (HSL)79.37%
Lightness24.71%
Dominant channelBlue
Hex per channelR 0D · G 3B · B 71

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Every value on this page was computed from “0d3b71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.