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Recognised as Colour

#E13815

  • #E13815
  • Red
  • Dark
  • Nearest: Orange red

#E13815 is a red with RGB values 225, 56, 21 and HSL 10°, 83%, 48%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#E13815#E13815
HEX#E13815
RGBrgb(225, 56, 21)
RGB (0–1)0.8824, 0.2196, 0.0824
RGB percentages88.2%, 22%, 8.2%
HSLhsl(10.3, 82.9%, 48.2%)
HSV / HSBhsv(10.3, 90.7%, 88.2%)
CMYK0%, 75.1%, 90.7%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,759,957
CSS custom property--colour: #E13815;

Brightness & contrast

Relative luminance0.1889WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.78:1
Contrast with white4.4:1WCAG normal text: Fail
Contrast with black4.78:1WCAG normal text: AA
Greyscale equivalent#595959
Inverted#1EC7EA

Colour vision & accessibility

Protanopia#6E600Ano red cones; affects about 1% of men; ΔE 68.2 from the original
Deuteranopia#978600no green cones; the most common form, about 1% of men; ΔE 68.9 from the original
Tritanopia#F80033no blue cones; rare, and affects men and women equally; ΔE 19.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.4:1WCAG large text: AA
Contrast with black, large text4.78:1WCAG large text: AAA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 14.73, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#15BEE1
Analogous#E11558, #E19E15
Triadic#15E138, #3815E1
Split complementary#15E19E, #1558E1
Tetradic#58E115, #15BEE1, #9E15E1

Tints, shades & saturation

Lighter +40%#FAD1C8
Lighter +30%#F6A999
Lighter +20%#F1826B
Lighter +10%#ED5A3C
Darker −10%#B22C11
Darker −20%#84210C
Darker −30%#551508
Darker −40%#260A04
More saturated +25%#F62A00
Less saturated −25%#C24C34

Channel breakdown

R225
G56
B21
Red225 (88.2%)
Green56 (22%)
Blue21 (8.2%)
Hue10.29°
Saturation (HSL)82.93%
Lightness48.24%
Dominant channelRed
Hex per channelR E1 · G 38 · B 15

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Every value on this page was computed from “e13815” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.