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Colour

#D0001B

  • #D0001B
  • Red
  • Dark
  • Nearest: Crimson

#D0001B is a red with RGB values 208, 0, 27 and HSL 352°, 100%, 41%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D0001B#D0001B
HEX#D0001B
RGBrgb(208, 0, 27)
RGB (0–1)0.8157, 0, 0.1059
RGB percentages81.6%, 0%, 10.6%
HSLhsl(352.2, 100%, 40.8%)
HSV / HSBhsv(352.2, 100%, 81.6%)
CMYK0%, 100%, 87%, 18.4%naive device-independent conversion; real print needs an ICC profile
24-bit integer13,631,515
CSS custom property--colour: #D0001B;

Brightness & contrast

Relative luminance0.13489WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.68:1
Contrast with white5.68:1WCAG normal text: AA
Contrast with black3.7:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#2FFFE4

Colour vision & accessibility

Protanopia#564D18no red cones; affects about 1% of men; ΔE 74.9 from the original
Deuteranopia#84750Ano green cones; the most common form, about 1% of men; ΔE 74.2 from the original
Tritanopia#E60013no blue cones; rare, and affects men and women equally; ΔE 11.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.68:1WCAG large text: AAA
Contrast with black, large text3.7:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 14.58, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#00D0B5
Analogous#D00083, #D04D00
Triadic#1BD000, #001BD0
Split complementary#00D04D, #0083D0
Tetradic#83D000, #00D0B5, #4D00D0

Tints, shades & saturation

Lighter +40%#FF9DAA
Lighter +30%#FF6A7D
Lighter +20%#FF3751
Lighter +10%#FF0425
Darker −10%#9D0014
Darker −20%#6A000E
Darker −30%#370007
Darker −40%#040001
More saturated +25%#D0001B
Less saturated −25%#B61A2E

Channel breakdown

R208
G0
B27
Red208 (81.6%)
Green0 (0%)
Blue27 (10.6%)
Hue352.21°
Saturation (HSL)100%
Lightness40.78%
Dominant channelRed
Hex per channelR D0 · G 00 · B 1B

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Every value on this page was computed from “d0001b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.