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Recognised as Colour

#0D03CB

  • #0D03CB
  • Blue
  • Dark
  • Nearest: Medium blue

#0D03CB is a blue with RGB values 13, 3, 203 and HSL 243°, 97%, 40%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0D03CB#0D03CB
HEX#0D03CB
RGBrgb(13, 3, 203)
RGB (0–1)0.051, 0.0118, 0.7961
RGB percentages5.1%, 1.2%, 79.6%
HSLhsl(243, 97.1%, 40.4%)
HSV / HSBhsv(243, 98.5%, 79.6%)
CMYK93.6%, 98.5%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer852,939
CSS custom property--colour: #0D03CB;

Brightness & contrast

Relative luminance0.04462WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.1:1
Contrast with white11.1:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#F2FC34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0046D0no red cones; affects about 1% of men; ΔE 33.7 from the original
Deuteranopia#0030C8no green cones; the most common form, about 1% of men; ΔE 21 from the original
Tritanopia#005476no blue cones; rare, and affects men and women equally; ΔE 99 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.1:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Medium blue · ΔE 1.8Blue violet · ΔE 23.2Blue · ΔE 23.2Dark violet · ΔE 26.4Dark blue · ΔE 28.5Navy · ΔE 33.7
Nearest named CSS colourMedium blue (#0000CD)ΔE 1.8, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C1CB03
Analogous#035DCB, #7103CB
Triadic#CB0D03, #03CB0D
Split complementary#CB7103, #5DCB03
Tetradic#CB035D, #C1CB03, #03CB71

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A19CFE
Lighter +30%#726AFD
Lighter +20%#4238FC
Lighter +10%#1206FB
Darker −10%#0A0299
Darker −20%#070266
Darker −30%#030134
Darker −40%#000002
More saturated +25%#0A00CE
Less saturated −25%#241DB1

Channel breakdown

R13
G3
B203
Red13 (5.1%)
Green3 (1.2%)
Blue203 (79.6%)
Hue243°
Saturation (HSL)97.09%
Lightness40.39%
Dominant channelBlue
Hex per channelR 0D · G 03 · B CB

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Every value on this page was computed from “0d03cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.