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Recognised as Colour

#E91C66

  • #E91C66
  • Red
  • Dark
  • Nearest: Crimson

#E91C66 is a red with RGB values 233, 28, 102 and HSL 338°, 82%, 51%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E91C66#E91C66
HEX#E91C66
RGBrgb(233, 28, 102)
RGB (0–1)0.9137, 0.1098, 0.4
RGB percentages91.4%, 11%, 40%
HSLhsl(338.3, 82.3%, 51.2%)
HSV / HSBhsv(338.3, 88%, 91.4%)
CMYK0%, 88%, 56.2%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,277,158
CSS custom property--colour: #E91C66;

Brightness & contrast

Relative luminance0.19113WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.82:1
Contrast with white4.35:1WCAG normal text: Fail
Contrast with black4.82:1WCAG normal text: AA
Greyscale equivalent#4D4D4D
Inverted#16E399

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D5F67no red cones; affects about 1% of men; ΔE 77.1 from the original
Deuteranopia#908761no green cones; the most common form, about 1% of men; ΔE 78.5 from the original
Tritanopia#FF0041no blue cones; rare, and affects men and women equally; ΔE 27.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.35:1WCAG large text: AA
Contrast with black, large text4.82:1WCAG large text: AAA

Named colours

Crimson · ΔE 20.9Deep pink · ΔE 22Medium violet red · ΔE 29.6Hot pink · ΔE 30.2Indian red · ΔE 31.6Firebrick · ΔE 33
Nearest named CSS colourCrimson (#DC143C)ΔE 20.92, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1CE99F
Analogous#E91CCD, #E9381C
Triadic#66E91C, #1C66E9
Split complementary#1CE938, #1CCDE9
Tetradic#CDE91C, #1CE99F, #381CE9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBD6E3
Lighter +30%#F7A7C4
Lighter +20%#F279A5
Lighter +10%#EE4A85
Darker −10%#BF1351
Darker −20%#910E3D
Darker −30%#620A2A
Darker −40%#340516
More saturated +25%#FF0660
Less saturated −25%#CA3B6F

Channel breakdown

R233
G28
B102
Red233 (91.4%)
Green28 (11%)
Blue102 (40%)
Hue338.34°
Saturation (HSL)82.33%
Lightness51.18%
Dominant channelRed
Hex per channelR E9 · G 1C · B 66

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Every value on this page was computed from “e91c66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.