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Recognised as Colour

#EF2230

  • #EF2230
  • Red
  • Dark
  • Nearest: Crimson

#EF2230 is a red with RGB values 239, 34, 48 and HSL 356°, 86%, 54%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#EF2230#EF2230
HEX#EF2230
RGBrgb(239, 34, 48)
RGB (0–1)0.9373, 0.1333, 0.1882
RGB percentages93.7%, 13.3%, 18.8%
HSLhsl(355.9, 86.5%, 53.5%)
HSV / HSBhsv(355.9, 85.8%, 93.7%)
CMYK0%, 85.8%, 79.9%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,671,856
CSS custom property--colour: #EF2230;

Brightness & contrast

Relative luminance0.19708WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.94:1
Contrast with white4.25:1WCAG normal text: Fail
Contrast with black4.94:1WCAG normal text: AA
Greyscale equivalent#4F4F4F
Inverted#10DDCF

Colour vision & accessibility

Protanopia#695F2Eno red cones; affects about 1% of men; ΔE 78.9 from the original
Deuteranopia#9A8A26no green cones; the most common form, about 1% of men; ΔE 78.8 from the original
Tritanopia#FF002Bno blue cones; rare, and affects men and women equally; ΔE 9.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.25:1WCAG large text: AA
Contrast with black, large text4.94:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 13.74, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#22EFE1
Analogous#EF2297, #EF7A22
Triadic#30EF22, #2230EF
Split complementary#22EF7A, #2297EF
Tetradic#97EF22, #22EFE1, #7A22EF

Tints, shades & saturation

Lighter +40%#FDE0E2
Lighter +30%#F9B1B6
Lighter +20%#F68189
Lighter +10%#F2525D
Darker −10%#CF0F1C
Darker −20%#9F0C16
Darker −30%#70080F
Darker −40%#400509
More saturated +25%#FF1222
Less saturated −25%#D1404A

Channel breakdown

R239
G34
B48
Red239 (93.7%)
Green34 (13.3%)
Blue48 (18.8%)
Hue355.9°
Saturation (HSL)86.5%
Lightness53.53%
Dominant channelRed
Hex per channelR EF · G 22 · B 30

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Every value on this page was computed from “ef2230” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.