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Colour

#0D40FF

  • #0D40FF
  • Blue
  • Dark
  • Nearest: Medium blue

#0D40FF is a blue with RGB values 13, 64, 255 and HSL 227°, 100%, 53%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#0D40FF#0D40FF
HEX#0D40FF
RGBrgb(13, 64, 255)
RGB (0–1)0.051, 0.251, 1
RGB percentages5.1%, 25.1%, 100%
HSLhsl(227.4, 100%, 52.5%)
HSV / HSBhsv(227.4, 94.9%, 100%)
CMYK94.9%, 74.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer868,607
CSS custom property--colour: #0D40FF;

Brightness & contrast

Relative luminance0.10972WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.57:1
Contrast with white6.57:1WCAG normal text: AA
Contrast with black3.19:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#F2BF00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0069FFno red cones; affects about 1% of men; ΔE 30.5 from the original
Deuteranopia#0051FCno green cones; the most common form, about 1% of men; ΔE 13.4 from the original
Tritanopia#007A9Dno blue cones; rare, and affects men and women equally; ΔE 101.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.57:1WCAG large text: AAA
Contrast with black, large text3.19:1WCAG large text: AA

Named colours

Medium blue · ΔE 17.6Blue violet · ΔE 24.2Blue · ΔE 25.2Dark violet · ΔE 31.2Dark orchid · ΔE 36.6Medium slateblue · ΔE 37.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 17.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFCC0D
Analogous#0DB9FF, #530DFF
Triadic#FF0D40, #40FF0D
Split complementary#FF530D, #B9FF0D
Tetradic#FF0DB9, #FFCC0D, #0DFF53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9E1FF
Lighter +30%#A6B9FF
Lighter +20%#7391FF
Lighter +10%#4068FF
Darker −10%#002ED9
Darker −20%#0023A6
Darker −30%#001873
Darker −40%#000D40
More saturated +25%#0D40FF
Less saturated −25%#2B52E1

Channel breakdown

R13
G64
B255
Red13 (5.1%)
Green64 (25.1%)
Blue255 (100%)
Hue227.36°
Saturation (HSL)100%
Lightness52.55%
Dominant channelBlue
Hex per channelR 0D · G 40 · B FF

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Every value on this page was computed from “0d40ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.