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Colour

#0015C3

  • #0015C3
  • Blue
  • Dark
  • Nearest: Medium blue

#0015C3 is a blue with RGB values 0, 21, 195 and HSL 234°, 100%, 38%. 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

#0015C3#0015C3
HEX#0015C3
RGBrgb(0, 21, 195)
RGB (0–1)0, 0.0824, 0.7647
RGB percentages0%, 8.2%, 76.5%
HSLhsl(233.5, 100%, 38.2%)
HSV / HSBhsv(233.5, 100%, 76.5%)
CMYK100%, 89.2%, 0%, 23.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,571
CSS custom property--colour: #0015C3;

Brightness & contrast

Relative luminance0.04476WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.08:1
Contrast with white11.08:1WCAG normal text: AAA
Contrast with black1.9:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#FFEA3C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0045C7no red cones; affects about 1% of men; ΔE 29.5 from the original
Deuteranopia#0031C0no green cones; the most common form, about 1% of men; ΔE 17.4 from the original
Tritanopia#005373no blue cones; rare, and affects men and women equally; ΔE 92 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.08:1WCAG large text: AAA
Contrast with black, large text1.9:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.9Dark blue · ΔE 21.6Blue violet · ΔE 22.5Navy · ΔE 26.7Dark violet · ΔE 26.7Blue · ΔE 30.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.94, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C3AE00
Analogous#0077C3, #4D00C3
Triadic#C30015, #15C300
Split complementary#C34D00, #76C300
Tetradic#C30076, #C3AE00, #00C34C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#909CFF
Lighter +30%#5D6EFF
Lighter +20%#2A41FF
Lighter +10%#001AF6
Darker −10%#001090
Darker −20%#000A5D
Darker −30%#00052A
Darker −40%#000000
More saturated +25%#0015C3
Less saturated −25%#1828AB

Channel breakdown

R0
G21
B195
Red0 (0%)
Green21 (8.2%)
Blue195 (76.5%)
Hue233.54°
Saturation (HSL)100%
Lightness38.24%
Dominant channelBlue
Hex per channelR 00 · G 15 · B C3

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Every value on this page was computed from “0015c3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.