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Recognised as Colour

#EF4157

  • #EF4157
  • Red
  • Dark
  • Nearest: Crimson

#EF4157 is a red with RGB values 239, 65, 87 and HSL 352°, 84%, 60%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#EF4157#EF4157
HEX#EF4157
RGBrgb(239, 65, 87)
RGB (0–1)0.9373, 0.2549, 0.3412
RGB percentages93.7%, 25.5%, 34.1%
HSLhsl(352.4, 84.5%, 59.6%)
HSV / HSBhsv(352.4, 72.8%, 93.7%)
CMYK0%, 72.8%, 63.6%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,679,831
CSS custom property--colour: #EF4157;

Brightness & contrast

Relative luminance0.22819WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.56:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.56:1WCAG normal text: AA
Greyscale equivalent#686868
Inverted#10BEA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#726C57no red cones; affects about 1% of men; ΔE 70.4 from the original
Deuteranopia#9E9152no green cones; the most common form, about 1% of men; ΔE 71.3 from the original
Tritanopia#FF004Bno blue cones; rare, and affects men and women equally; ΔE 16.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.77:1WCAG large text: AA
Contrast with black, large text5.56:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.5Firebrick · ΔE 21.3Tomato · ΔE 21.6Indian red · ΔE 22.7Brown · ΔE 24.4Salmon · ΔE 24.8
Nearest named CSS colourCrimson (#DC143C)ΔE 10.51, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#41EFD9
Analogous#EF41AE, #EF8241
Triadic#57EF41, #4157EF
Split complementary#41EF82, #41AEEF
Tetradic#AEEF41, #41EFD9, #8241EF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFDFD
Lighter +30%#FBCED4
Lighter +20%#F79FAA
Lighter +10%#F37081
Darker −10%#E9142F
Darker −20%#BA1025
Darker −30%#8B0C1C
Darker −40%#5C0812
More saturated +25%#FF314B
Less saturated −25%#D55B6A

Channel breakdown

R239
G65
B87
Red239 (93.7%)
Green65 (25.5%)
Blue87 (34.1%)
Hue352.41°
Saturation (HSL)84.47%
Lightness59.61%
Dominant channelRed
Hex per channelR EF · G 41 · B 57

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Every value on this page was computed from “ef4157” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.