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Recognised as Colour

#EC0055

  • #EC0055
  • Red
  • Dark
  • Nearest: Crimson

#EC0055 is a red with RGB values 236, 0, 85 and HSL 338°, 100%, 46%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#EC0055#EC0055
HEX#EC0055
RGBrgb(236, 0, 85)
RGB (0–1)0.9255, 0, 0.3333
RGB percentages92.5%, 0%, 33.3%
HSLhsl(338.4, 100%, 46.3%)
HSV / HSBhsv(338.4, 100%, 92.5%)
CMYK0%, 100%, 64%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,466,581
CSS custom property--colour: #EC0055;

Brightness & contrast

Relative luminance0.18489WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.7:1
Contrast with white4.47:1WCAG normal text: Fail
Contrast with black4.7:1WCAG normal text: AA
Greyscale equivalent#383838
Inverted#13FFAA

Colour vision & accessibility

Protanopia#5D5B56no red cones; affects about 1% of men; ΔE 81.2 from the original
Deuteranopia#92864Fno green cones; the most common form, about 1% of men; ΔE 81.8 from the original
Tritanopia#FF0032no blue cones; rare, and affects men and women equally; ΔE 25.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.47:1WCAG large text: AA
Contrast with black, large text4.7:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 12.97, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#00EC97
Analogous#EC00CB, #EC2100
Triadic#55EC00, #0055EC
Split complementary#00EC21, #00CBEC
Tetradic#CBEC00, #00EC97, #2100EC

Tints, shades & saturation

Lighter +40%#FFB9D2
Lighter +30%#FF86B2
Lighter +20%#FF5391
Lighter +10%#FF2070
Darker −10%#B90043
Darker −20%#860030
Darker −30%#53001E
Darker −40%#20000C
More saturated +25%#EC0055
Less saturated −25%#CF1D5D

Channel breakdown

R236
G0
B85
Red236 (92.5%)
Green0 (0%)
Blue85 (33.3%)
Hue338.39°
Saturation (HSL)100%
Lightness46.27%
Dominant channelRed
Hex per channelR EC · G 00 · B 55

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Every value on this page was computed from “ec0055” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.