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Colour

#0D4281

  • #0D4281
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0D4281 is a blue with RGB values 13, 66, 129 and HSL 213°, 82%, 28%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0D4281#0D4281
HEX#0D4281
RGBrgb(13, 66, 129)
RGB (0–1)0.051, 0.2588, 0.5059
RGB percentages5.1%, 25.9%, 50.6%
HSLhsl(212.6, 81.7%, 27.8%)
HSV / HSBhsv(212.6, 89.9%, 50.6%)
CMYK89.9%, 48.8%, 0%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer868,993
CSS custom property--colour: #0D4281;

Brightness & contrast

Relative luminance0.05567WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.94:1
Contrast with white9.94:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#F2BD7E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E4883no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#003E80no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00515Bno blue cones; rare, and affects men and women equally; ΔE 38.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.94:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.3Midnight blue · ΔE 27.6Steel blue · ΔE 28.6Cornflower blue · ΔE 34.9Rebecca purple · ΔE 34.9Royal blue · ΔE 36.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#814C0D
Analogous#0D7C81, #120D81
Triadic#810D42, #42810D
Split complementary#81120D, #7C810D
Tetradic#810D7C, #814C0D, #0D8112

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6AA7F0
Lighter +30%#3C8CEB
Lighter +20%#1671DE
Lighter +10%#125AAF
Darker −10%#082A53
Darker −20%#041324
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00418E
Less saturated −25%#1F446F

Channel breakdown

R13
G66
B129
Red13 (5.1%)
Green66 (25.9%)
Blue129 (50.6%)
Hue212.59°
Saturation (HSL)81.69%
Lightness27.84%
Dominant channelBlue
Hex per channelR 0D · G 42 · B 81

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Every value on this page was computed from “0d4281” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.