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Recognised as Colour

#DF4440

  • #DF4440
  • Red
  • Dark
  • Nearest: Crimson

#DF4440 is a red with RGB values 223, 68, 64 and HSL 2°, 71%, 56%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DF4440#DF4440
HEX#DF4440
RGBrgb(223, 68, 64)
RGB (0–1)0.8745, 0.2667, 0.251
RGB percentages87.5%, 26.7%, 25.1%
HSLhsl(1.5, 71.3%, 56.3%)
HSV / HSBhsv(1.5, 71.3%, 87.5%)
CMYK0%, 69.5%, 71.3%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,632,000
CSS custom property--colour: #DF4440;

Brightness & contrast

Relative luminance0.20192WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.04:1
Contrast with white4.17:1WCAG normal text: Fail
Contrast with black5.04:1WCAG normal text: AA
Greyscale equivalent#656565
Inverted#20BBBF

Colour vision & accessibility

Protanopia#70673Eno red cones; affects about 1% of men; ΔE 64.3 from the original
Deuteranopia#97883Bno green cones; the most common form, about 1% of men; ΔE 64.2 from the original
Tritanopia#F50C45no blue cones; rare, and affects men and women equally; ΔE 18.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.17:1WCAG large text: AA
Contrast with black, large text5.04:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 12.94, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#40DBDF
Analogous#DF408C, #DF9440
Triadic#40DF44, #4440DF
Split complementary#40DF93, #408BDF
Tetradic#8CDF40, #40DBDF, #9440DF

Tints, shades & saturation

Lighter +40%#FCEFEF
Lighter +30%#F5C4C3
Lighter +20%#EE9A97
Lighter +10%#E66F6C
Darker −10%#CA2622
Darker −20%#9E1E1B
Darker −30%#731613
Darker −40%#470D0C
More saturated +25%#FB2A24
Less saturated −25%#C35E5C

Channel breakdown

R223
G68
B64
Red223 (87.5%)
Green68 (26.7%)
Blue64 (25.1%)
Hue1.51°
Saturation (HSL)71.3%
Lightness56.27%
Dominant channelRed
Hex per channelR DF · G 44 · B 40

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Every value on this page was computed from “df4440” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.