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Recognised as Colour

#EC3748

  • #EC3748
  • Red
  • Dark
  • Nearest: Crimson

#EC3748 is a red with RGB values 236, 55, 72 and HSL 354°, 83%, 57%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#EC3748#EC3748
HEX#EC3748
RGBrgb(236, 55, 72)
RGB (0–1)0.9255, 0.2157, 0.2824
RGB percentages92.5%, 21.6%, 28.2%
HSLhsl(354.4, 82.6%, 57.1%)
HSV / HSBhsv(354.4, 76.7%, 92.5%)
CMYK0%, 76.7%, 69.5%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,480,648
CSS custom property--colour: #EC3748;

Brightness & contrast

Relative luminance0.21033WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.21:1
Contrast with white4.03:1WCAG normal text: Fail
Contrast with black5.21:1WCAG normal text: AA
Greyscale equivalent#5F5F5F
Inverted#13C8B7

Colour vision & accessibility

Protanopia#6E6647no red cones; affects about 1% of men; ΔE 72.5 from the original
Deuteranopia#9B8C42no green cones; the most common form, about 1% of men; ΔE 72.7 from the original
Tritanopia#FF003Fno blue cones; rare, and affects men and women equally; ΔE 14.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.03:1WCAG large text: AA
Contrast with black, large text5.21:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 6.62, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#37ECDB
Analogous#EC37A2, #EC8137
Triadic#48EC37, #3748EC
Split complementary#37EC81, #37A2EC
Tetradic#A2EC37, #37ECDB, #8137EC

Tints, shades & saturation

Lighter +40%#FEF1F2
Lighter +30%#F9C3C8
Lighter +20%#F5949D
Lighter +10%#F06673
Darker −10%#DB1527
Darker −20%#AD101F
Darker −30%#7E0C17
Darker −40%#4F080E
More saturated +25%#FF2439
Less saturated −25%#D1525E

Channel breakdown

R236
G55
B72
Red236 (92.5%)
Green55 (21.6%)
Blue72 (28.2%)
Hue354.36°
Saturation (HSL)82.65%
Lightness57.06%
Dominant channelRed
Hex per channelR EC · G 37 · B 48

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Every value on this page was computed from “ec3748” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.