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Recognised as Colour

#E81605

  • #E81605
  • Red
  • Dark
  • Nearest: Red

#E81605 is a red with RGB values 232, 22, 5 and HSL 4°, 96%, 46%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#E81605#E81605
HEX#E81605
RGBrgb(232, 22, 5)
RGB (0–1)0.9098, 0.0863, 0.0196
RGB percentages91%, 8.6%, 2%
HSLhsl(4.5, 95.8%, 46.5%)
HSV / HSBhsv(4.5, 97.8%, 91%)
CMYK0%, 90.5%, 97.8%, 9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,209,989
CSS custom property--colour: #E81605;

Brightness & contrast

Relative luminance0.17741WCAG 2.x, 0 is black and 1 is white
Perceived brightness128 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.62:1
Contrast with white4.62:1WCAG normal text: AA
Contrast with black4.55:1WCAG normal text: AA
Greyscale equivalent#414141
Inverted#17E9FA

Colour vision & accessibility

Protanopia#655900no red cones; affects about 1% of men; ΔE 79.1 from the original
Deuteranopia#968400no green cones; the most common form, about 1% of men; ΔE 77.6 from the original
Tritanopia#FF0019no blue cones; rare, and affects men and women equally; ΔE 8.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.62:1WCAG large text: AAA
Contrast with black, large text4.55:1WCAG large text: AAA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 10.32, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#05D7E8
Analogous#E80566, #E88705
Triadic#05E816, #1605E8
Split complementary#05E887, #0566E8
Tetradic#66E805, #05D7E8, #8705E8

Tints, shades & saturation

Lighter +40%#FEC0BB
Lighter +30%#FC928A
Lighter +20%#FB6458
Lighter +10%#FA3626
Darker −10%#B61104
Darker −20%#840D03
Darker −30%#520802
Darker −40%#200301
More saturated +25%#ED1200
Less saturated −25%#CA2F23

Channel breakdown

R232
G22
B5
Red232 (91%)
Green22 (8.6%)
Blue5 (2%)
Hue4.49°
Saturation (HSL)95.78%
Lightness46.47%
Dominant channelRed
Hex per channelR E8 · G 16 · B 05

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Every value on this page was computed from “e81605” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.