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Recognised as Colour

#CD4E39

  • #CD4E39
  • Red
  • Dark
  • Nearest: Firebrick

#CD4E39 is a red with RGB values 205, 78, 57 and HSL 9°, 60%, 51%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CD4E39#CD4E39
HEX#CD4E39
RGBrgb(205, 78, 57)
RGB (0–1)0.8039, 0.3059, 0.2235
RGB percentages80.4%, 30.6%, 22.4%
HSLhsl(8.5, 59.7%, 51.4%)
HSV / HSBhsv(8.5, 72.2%, 80.4%)
CMYK0%, 62%, 72.2%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,454,905
CSS custom property--colour: #CD4E39;

Brightness & contrast

Relative luminance0.18723WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.74:1
Contrast with white4.43:1WCAG normal text: Fail
Contrast with black4.74:1WCAG normal text: AA
Greyscale equivalent#676767
Inverted#32B1C6

Colour vision & accessibility

Protanopia#716636no red cones; affects about 1% of men; ΔE 53.3 from the original
Deuteranopia#908235no green cones; the most common form, about 1% of men; ΔE 54 from the original
Tritanopia#E1304Ano blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.43:1WCAG large text: AA
Contrast with black, large text4.74:1WCAG large text: AAA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 13.15, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#39B8CD
Analogous#CD396E, #CD9839
Triadic#39CD4E, #4E39CD
Split complementary#39CD98, #396ECD
Tetradic#6ECD39, #39B8CD, #9839CD

Tints, shades & saturation

Lighter +40%#F6E0DC
Lighter +30%#ECBBB3
Lighter +20%#E2978A
Lighter +10%#D77262
Darker −10%#A83C2B
Darker −20%#802E20
Darker −30%#571F16
Darker −40%#2E110C
More saturated +25%#EC381A
Less saturated −25%#AE6458

Channel breakdown

R205
G78
B57
Red205 (80.4%)
Green78 (30.6%)
Blue57 (22.4%)
Hue8.51°
Saturation (HSL)59.68%
Lightness51.37%
Dominant channelRed
Hex per channelR CD · G 4E · B 39

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Every value on this page was computed from “cd4e39” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.