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Recognised as Colour

#CD0813

  • #CD0813
  • Red
  • Dark
  • Nearest: Firebrick

#CD0813 is a red with RGB values 205, 8, 19 and HSL 357°, 92%, 42%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CD0813#CD0813
HEX#CD0813
RGBrgb(205, 8, 19)
RGB (0–1)0.8039, 0.0314, 0.0745
RGB percentages80.4%, 3.1%, 7.5%
HSLhsl(356.6, 92.5%, 41.8%)
HSV / HSBhsv(356.6, 96.1%, 80.4%)
CMYK0%, 96.1%, 90.7%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,436,947
CSS custom property--colour: #CD0813;

Brightness & contrast

Relative luminance0.132WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.77:1
Contrast with white5.77:1WCAG normal text: AA
Contrast with black3.64:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#32F7EC

Colour vision & accessibility

Protanopia#574C0Eno red cones; affects about 1% of men; ΔE 72.6 from the original
Deuteranopia#827300no green cones; the most common form, about 1% of men; ΔE 72.5 from the original
Tritanopia#E30013no blue cones; rare, and affects men and women equally; ΔE 9.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.77:1WCAG large text: AAA
Contrast with black, large text3.64:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 17.77, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#08CDC2
Analogous#CD0875, #CD6008
Triadic#13CD08, #0813CD
Split complementary#08CD60, #0875CD
Tetradic#75CD08, #08CDC2, #6008CD

Tints, shades & saturation

Lighter +40%#FCA5AA
Lighter +30%#FA747C
Lighter +20%#F8434D
Lighter +10%#F6121F
Darker −10%#9C060E
Darker −20%#6B040A
Darker −30%#3A0205
Darker −40%#090001
More saturated +25%#D5000C
Less saturated −25%#B2232B

Channel breakdown

R205
G8
B19
Red205 (80.4%)
Green8 (3.1%)
Blue19 (7.5%)
Hue356.65°
Saturation (HSL)92.49%
Lightness41.76%
Dominant channelRed
Hex per channelR CD · G 08 · B 13

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Every value on this page was computed from “cd0813” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.