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Recognised as Colour

#E43542

  • #E43542
  • Red
  • Dark
  • Nearest: Crimson

#E43542 is a red with RGB values 228, 53, 66 and HSL 356°, 76%, 55%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E43542#E43542
HEX#E43542
RGBrgb(228, 53, 66)
RGB (0–1)0.8941, 0.2078, 0.2588
RGB percentages89.4%, 20.8%, 25.9%
HSLhsl(355.5, 76.4%, 55.1%)
HSV / HSBhsv(355.5, 76.8%, 89.4%)
CMYK0%, 76.8%, 71.1%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,955,842
CSS custom property--colour: #E43542;

Brightness & contrast

Relative luminance0.19434WCAG 2.x, 0 is black and 1 is white
Perceived brightness133 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.89:1
Contrast with white4.3:1WCAG normal text: Fail
Contrast with black4.89:1WCAG normal text: AA
Greyscale equivalent#5B5B5B
Inverted#1BCABD

Colour vision & accessibility

Protanopia#6A6241no red cones; affects about 1% of men; ΔE 70.8 from the original
Deuteranopia#96873Cno green cones; the most common form, about 1% of men; ΔE 70.7 from the original
Tritanopia#FB003Cno blue cones; rare, and affects men and women equally; ΔE 15.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.3:1WCAG large text: AA
Contrast with black, large text4.89:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 6.55, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#35E4D7
Analogous#E43599, #E48035
Triadic#42E435, #3542E4
Split complementary#35E480, #3599E4
Tetradic#9AE435, #35E4D7, #8035E4

Tints, shades & saturation

Lighter +40%#FCE9EA
Lighter +30%#F6BCC0
Lighter +20%#F08F96
Lighter +10%#EA626C
Darker −10%#CB1B28
Darker −20%#9E151F
Darker −30%#710F16
Darker −40%#44090D
More saturated +25%#FF1A2B
Less saturated −25%#C7525A

Channel breakdown

R228
G53
B66
Red228 (89.4%)
Green53 (20.8%)
Blue66 (25.9%)
Hue355.54°
Saturation (HSL)76.42%
Lightness55.1%
Dominant channelRed
Hex per channelR E4 · G 35 · B 42

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Every value on this page was computed from “e43542” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.