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Recognised as Colour

#E15E37

  • #E15E37
  • Red
  • Dark
  • Nearest: Tomato

#E15E37 is a red with RGB values 225, 94, 55 and HSL 14°, 74%, 55%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#E15E37#E15E37
HEX#E15E37
RGBrgb(225, 94, 55)
RGB (0–1)0.8824, 0.3686, 0.2157
RGB percentages88.2%, 36.9%, 21.6%
HSLhsl(13.8, 73.9%, 54.9%)
HSV / HSBhsv(13.8, 75.6%, 88.2%)
CMYK0%, 58.2%, 75.6%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,769,719
CSS custom property--colour: #E15E37;

Brightness & contrast

Relative luminance0.24289WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.86:1
Contrast with white3.58:1WCAG normal text: Fail
Contrast with black5.86:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#1EA1C8

Colour vision & accessibility

Protanopia#827532no red cones; affects about 1% of men; ΔE 54 from the original
Deuteranopia#A39233no green cones; the most common form, about 1% of men; ΔE 54.1 from the original
Tritanopia#F74056no blue cones; rare, and affects men and women equally; ΔE 26 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.58:1WCAG large text: AA
Contrast with black, large text5.86:1WCAG large text: AAA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 10.67, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#37BAE1
Analogous#E13765, #E1B337
Triadic#37E15E, #5E37E1
Split complementary#37E1B3, #3765E1
Tetradic#65E137, #37BAE1, #B337E1

Tints, shades & saturation

Lighter +40%#FCEDE8
Lighter +30%#F5C9BC
Lighter +20%#EEA590
Lighter +10%#E88263
Darker −10%#C7451E
Darker −20%#9B3517
Darker −30%#6E2611
Darker −40%#42170A
More saturated +25%#FE4E1A
Less saturated −25%#C46E54

Channel breakdown

R225
G94
B55
Red225 (88.2%)
Green94 (36.9%)
Blue55 (21.6%)
Hue13.76°
Saturation (HSL)73.91%
Lightness54.9%
Dominant channelRed
Hex per channelR E1 · G 5E · B 37

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Every value on this page was computed from “e15e37” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.