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Recognised as Colour

#DD3143

  • #DD3143
  • Red
  • Dark
  • Nearest: Crimson

#DD3143 is a red with RGB values 221, 49, 67 and HSL 354°, 72%, 53%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DD3143#DD3143
HEX#DD3143
RGBrgb(221, 49, 67)
RGB (0–1)0.8667, 0.1922, 0.2627
RGB percentages86.7%, 19.2%, 26.3%
HSLhsl(353.7, 71.7%, 52.9%)
HSV / HSBhsv(353.7, 77.8%, 86.7%)
CMYK0%, 77.8%, 69.7%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,496,067
CSS custom property--colour: #DD3143;

Brightness & contrast

Relative luminance0.17974WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.59:1
Contrast with white4.57:1WCAG normal text: AA
Contrast with black4.59:1WCAG normal text: AA
Greyscale equivalent#575757
Inverted#22CEBC

Colour vision & accessibility

Protanopia#655E42no red cones; affects about 1% of men; ΔE 69.8 from the original
Deuteranopia#90833Dno green cones; the most common form, about 1% of men; ΔE 70.3 from the original
Tritanopia#F3003Ano blue cones; rare, and affects men and women equally; ΔE 15.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.57:1WCAG large text: AAA
Contrast with black, large text4.59:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 6.16, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#31DDCB
Analogous#DD3199, #DD7531
Triadic#43DD31, #3143DD
Split complementary#31DD75, #3199DD
Tetradic#99DD31, #31DDCB, #7531DD

Tints, shades & saturation

Lighter +40%#FAE0E3
Lighter +30%#F3B4BB
Lighter +20%#EB8993
Lighter +10%#E45D6B
Darker −10%#BC1F2F
Darker −20%#901824
Darker −30%#641119
Darker −40%#39090E
More saturated +25%#FB132B
Less saturated −25%#BF4F5B

Channel breakdown

R221
G49
B67
Red221 (86.7%)
Green49 (19.2%)
Blue67 (26.3%)
Hue353.72°
Saturation (HSL)71.67%
Lightness52.94%
Dominant channelRed
Hex per channelR DD · G 31 · B 43

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Every value on this page was computed from “dd3143” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.