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Recognised as Colour

#E63A45

  • #E63A45
  • Red
  • Dark
  • Nearest: Crimson

#E63A45 is a red with RGB values 230, 58, 69 and HSL 356°, 77%, 56%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E63A45#E63A45
HEX#E63A45
RGBrgb(230, 58, 69)
RGB (0–1)0.902, 0.2275, 0.2706
RGB percentages90.2%, 22.7%, 27.1%
HSLhsl(356.2, 77.5%, 56.5%)
HSV / HSBhsv(356.2, 74.8%, 90.2%)
CMYK0%, 74.8%, 70%, 9.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,088,197
CSS custom property--colour: #E63A45;

Brightness & contrast

Relative luminance0.20279WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.06:1
Contrast with white4.15:1WCAG normal text: Fail
Contrast with black5.06:1WCAG normal text: AA
Greyscale equivalent#5F5F5F
Inverted#19C5BA

Colour vision & accessibility

Protanopia#6D6544no red cones; affects about 1% of men; ΔE 69.9 from the original
Deuteranopia#988A3Fno green cones; the most common form, about 1% of men; ΔE 70.4 from the original
Tritanopia#FD0040no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.15:1WCAG large text: AA
Contrast with black, large text5.06:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 7.66, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#3AE6DB
Analogous#E63A9B, #E6853A
Triadic#45E63A, #3A45E6
Split complementary#3AE685, #3A9BE6
Tetradic#9BE63A, #3AE6DB, #853AE6

Tints, shades & saturation

Lighter +40%#FDEFF0
Lighter +30%#F7C2C5
Lighter +20%#F1959A
Lighter +10%#EC6770
Darker −10%#D21B26
Darker −20%#A5151E
Darker −30%#780F16
Darker −40%#4B090E
More saturated +25%#FF212F
Less saturated −25%#CA565D

Channel breakdown

R230
G58
B69
Red230 (90.2%)
Green58 (22.7%)
Blue69 (27.1%)
Hue356.16°
Saturation (HSL)77.48%
Lightness56.47%
Dominant channelRed
Hex per channelR E6 · G 3A · B 45

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Every value on this page was computed from “e63a45” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.