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Recognised as Colour

#CD4A39

  • #CD4A39
  • Red
  • Dark
  • Nearest: Firebrick

#CD4A39 is a red with RGB values 205, 74, 57 and HSL 7°, 60%, 51%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CD4A39#CD4A39
HEX#CD4A39
RGBrgb(205, 74, 57)
RGB (0–1)0.8039, 0.2902, 0.2235
RGB percentages80.4%, 29%, 22.4%
HSLhsl(6.9, 59.7%, 51.4%)
HSV / HSBhsv(6.9, 72.2%, 80.4%)
CMYK0%, 63.9%, 72.2%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,453,881
CSS custom property--colour: #CD4A39;

Brightness & contrast

Relative luminance0.18172WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.63:1
Contrast with white4.53:1WCAG normal text: AA
Contrast with black4.63:1WCAG normal text: AA
Greyscale equivalent#656565
Inverted#32B5C6

Colour vision & accessibility

Protanopia#6E6436no red cones; affects about 1% of men; ΔE 55.3 from the original
Deuteranopia#8F8135no green cones; the most common form, about 1% of men; ΔE 55.6 from the original
Tritanopia#E12947no blue cones; rare, and affects men and women equally; ΔE 19.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.53:1WCAG large text: AAA
Contrast with black, large text4.63:1WCAG large text: AAA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 11.71, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#39BCCD
Analogous#CD3972, #CD9439
Triadic#39CD4A, #4A39CD
Split complementary#39CD94, #3972CD
Tetradic#72CD39, #39BCCD, #9439CD

Tints, shades & saturation

Lighter +40%#F6DFDC
Lighter +30%#ECBAB3
Lighter +20%#E2948A
Lighter +10%#D76F62
Darker −10%#A8392B
Darker −20%#802B20
Darker −30%#571D16
Darker −40%#2E100C
More saturated +25%#EC321A
Less saturated −25%#AE6258

Channel breakdown

R205
G74
B57
Red205 (80.4%)
Green74 (29%)
Blue57 (22.4%)
Hue6.89°
Saturation (HSL)59.68%
Lightness51.37%
Dominant channelRed
Hex per channelR CD · G 4A · B 39

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Every value on this page was computed from “cd4a39” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.