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Recognised as Colour

#EF5752

  • #EF5752
  • Red
  • Dark
  • Nearest: Tomato

#EF5752 is a red with RGB values 239, 87, 82 and HSL 2°, 83%, 63%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#EF5752#EF5752
HEX#EF5752
RGBrgb(239, 87, 82)
RGB (0–1)0.9373, 0.3412, 0.3216
RGB percentages93.7%, 34.1%, 32.2%
HSLhsl(1.9, 83.1%, 62.9%)
HSV / HSBhsv(1.9, 65.7%, 93.7%)
CMYK0%, 63.6%, 65.7%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,685,458
CSS custom property--colour: #EF5752;

Brightness & contrast

Relative luminance0.25776WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.16:1
Contrast with white3.41:1WCAG normal text: Fail
Contrast with black6.16:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#10A8AD

Colour vision & accessibility

Protanopia#807650no red cones; affects about 1% of men; ΔE 62.1 from the original
Deuteranopia#A6974Eno green cones; the most common form, about 1% of men; ΔE 62.8 from the original
Tritanopia#FF3357no blue cones; rare, and affects men and women equally; ΔE 17.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.41:1WCAG large text: AA
Contrast with black, large text6.16:1WCAG large text: AAA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 12.56, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#52EAEF
Analogous#EF529B, #EFA652
Triadic#52EF57, #5752EF
Split complementary#52EFA6, #529BEF
Tetradic#9CEF52, #52EAEF, #A652EF

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FCDFDE
Lighter +20%#F8B2AF
Lighter +10%#F38481
Darker −10%#EB2A23
Darker −20%#C81813
Darker −30%#9A130E
Darker −40%#6B0D0A
More saturated +25%#FF4842
Less saturated −25%#D76D6A

Channel breakdown

R239
G87
B82
Red239 (93.7%)
Green87 (34.1%)
Blue82 (32.2%)
Hue1.91°
Saturation (HSL)83.07%
Lightness62.94%
Dominant channelRed
Hex per channelR EF · G 57 · B 52

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Every value on this page was computed from “ef5752” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.