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Recognised as Colour

#DD0554

  • #DD0554
  • Red
  • Dark
  • Nearest: Crimson

#DD0554 is a red with RGB values 221, 5, 84 and HSL 338°, 96%, 44%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DD0554#DD0554
HEX#DD0554
RGBrgb(221, 5, 84)
RGB (0–1)0.8667, 0.0196, 0.3294
RGB percentages86.7%, 2%, 32.9%
HSLhsl(338.1, 95.6%, 44.3%)
HSV / HSBhsv(338.1, 97.7%, 86.7%)
CMYK0%, 97.7%, 62%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,484,820
CSS custom property--colour: #DD0554;

Brightness & contrast

Relative luminance0.16121WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.97:1
Contrast with white4.97:1WCAG normal text: AA
Contrast with black4.22:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#22FAAB

Colour vision & accessibility

Protanopia#565655no red cones; affects about 1% of men; ΔE 77 from the original
Deuteranopia#887E4Fno green cones; the most common form, about 1% of men; ΔE 77.8 from the original
Tritanopia#F20032no blue cones; rare, and affects men and women equally; ΔE 26.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.97:1WCAG large text: AAA
Contrast with black, large text4.22:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 14.77, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#05DD8E
Analogous#DD05C0, #DD2205
Triadic#54DD05, #0554DD
Split complementary#05DD22, #05C0DD
Tetradic#C0DD05, #05DD8E, #2205DD

Tints, shades & saturation

Lighter +40%#FDB1CD
Lighter +30%#FC7FAD
Lighter +20%#FB4D8D
Lighter +10%#FA1B6D
Darker −10%#AB0441
Darker −20%#79032E
Darker −30%#47021B
Darker −40%#160008
More saturated +25%#E20053
Less saturated −25%#C1215C

Channel breakdown

R221
G5
B84
Red221 (86.7%)
Green5 (2%)
Blue84 (32.9%)
Hue338.06°
Saturation (HSL)95.58%
Lightness44.31%
Dominant channelRed
Hex per channelR DD · G 05 · B 54

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Every value on this page was computed from “dd0554” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.