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Recognised as Colour

#E63942

  • #E63942
  • Red
  • Dark
  • Nearest: Crimson

#E63942 is a red with RGB values 230, 57, 66 and HSL 357°, 78%, 56%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E63942#E63942
HEX#E63942
RGBrgb(230, 57, 66)
RGB (0–1)0.902, 0.2235, 0.2588
RGB percentages90.2%, 22.4%, 25.9%
HSLhsl(356.9, 77.6%, 56.3%)
HSV / HSBhsv(356.9, 75.2%, 90.2%)
CMYK0%, 75.2%, 71.3%, 9.8%naive device-independent conversion; real print needs an ICC profile
24-bit integer15,087,938
CSS custom property--colour: #E63942;

Brightness & contrast

Relative luminance0.20143WCAG 2.x, 0 is black and 1 is white
Perceived brightness135 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.03:1
Contrast with white4.18:1WCAG normal text: Fail
Contrast with black5.03:1WCAG normal text: AA
Greyscale equivalent#5E5E5E
Inverted#19C6BD

Colour vision & accessibility

Protanopia#6D6441no red cones; affects about 1% of men; ΔE 70 from the original
Deuteranopia#98893Cno green cones; the most common form, about 1% of men; ΔE 70.3 from the original
Tritanopia#FD003Eno blue cones; rare, and affects men and women equally; ΔE 15.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.18:1WCAG large text: AA
Contrast with black, large text5.03:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 7.83, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#39E6DD
Analogous#E63999, #E68739
Triadic#42E639, #3942E6
Split complementary#39E687, #3999E6
Tetradic#98E639, #39E6DD, #8639E6

Tints, shades & saturation

Lighter +40%#FDEEEF
Lighter +30%#F7C1C4
Lighter +20%#F19498
Lighter +10%#EC666D
Darker −10%#D21A24
Darker −20%#A4151C
Darker −30%#770F14
Darker −40%#4A090D
More saturated +25%#FF202C
Less saturated −25%#CA555B

Channel breakdown

R230
G57
B66
Red230 (90.2%)
Green57 (22.4%)
Blue66 (25.9%)
Hue356.88°
Saturation (HSL)77.58%
Lightness56.27%
Dominant channelRed
Hex per channelR E6 · G 39 · B 42

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Every value on this page was computed from “e63942” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.