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Colour

#EF005F

  • #EF005F
  • Red
  • Dark
  • Nearest: Crimson

#EF005F is a red with RGB values 239, 0, 95 and HSL 336°, 100%, 47%. 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

#EF005F#EF005F
HEX#EF005F
RGBrgb(239, 0, 95)
RGB (0–1)0.9373, 0, 0.3725
RGB percentages93.7%, 0%, 37.3%
HSLhsl(336.2, 100%, 46.9%)
HSV / HSBhsv(336.2, 100%, 93.7%)
CMYK0%, 100%, 60.3%, 6.3%naive device-independent conversion; real print needs an ICC profile
24-bit integer15,663,199
CSS custom property--colour: #EF005F;

Brightness & contrast

Relative luminance0.19177WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.84:1
Contrast with white4.34:1WCAG normal text: Fail
Contrast with black4.84:1WCAG normal text: AA
Greyscale equivalent#3A3A3A
Inverted#10FFA0

Colour vision & accessibility

Protanopia#5C5D60no red cones; affects about 1% of men; ΔE 81.9 from the original
Deuteranopia#938859no green cones; the most common form, about 1% of men; ΔE 82.6 from the original
Tritanopia#FF0037no blue cones; rare, and affects men and women equally; ΔE 27.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.34:1WCAG large text: AA
Contrast with black, large text4.84:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 17.92, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#00EF90
Analogous#EF00D6, #EF1900
Triadic#5FEF00, #005FEF
Split complementary#00EF19, #00D6EF
Tetradic#D6EF00, #00EF90, #1900EF

Tints, shades & saturation

Lighter +40%#FFBCD7
Lighter +30%#FF89B8
Lighter +20%#FF5699
Lighter +10%#FF237A
Darker −10%#BC004B
Darker −20%#890036
Darker −30%#560022
Darker −40%#23000E
More saturated +25%#EF005F
Less saturated −25%#D11E65

Channel breakdown

R239
G0
B95
Red239 (93.7%)
Green0 (0%)
Blue95 (37.3%)
Hue336.15°
Saturation (HSL)100%
Lightness46.86%
Dominant channelRed
Hex per channelR EF · G 00 · B 5F

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Every value on this page was computed from “ef005f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.