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Recognised as Colour

#DD353D

  • #DD353D
  • Red
  • Dark
  • Nearest: Crimson

#DD353D is a red with RGB values 221, 53, 61 and HSL 357°, 71%, 54%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DD353D#DD353D
HEX#DD353D
RGBrgb(221, 53, 61)
RGB (0–1)0.8667, 0.2078, 0.2392
RGB percentages86.7%, 20.8%, 23.9%
HSLhsl(357.1, 71.2%, 53.7%)
HSV / HSBhsv(357.1, 76%, 86.7%)
CMYK0%, 76%, 72.4%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,497,085
CSS custom property--colour: #DD353D;

Brightness & contrast

Relative luminance0.18255WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.65:1
Contrast with white4.52:1WCAG normal text: AA
Contrast with black4.65:1WCAG normal text: AA
Greyscale equivalent#595959
Inverted#22CAC2

Colour vision & accessibility

Protanopia#685F3Cno red cones; affects about 1% of men; ΔE 68.3 from the original
Deuteranopia#928337no green cones; the most common form, about 1% of men; ΔE 68.4 from the original
Tritanopia#F3003Ano blue cones; rare, and affects men and women equally; ΔE 15 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.52:1WCAG large text: AAA
Contrast with black, large text4.65:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 7.97, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#35DDD5
Analogous#DD3591, #DD8135
Triadic#3DDD35, #353DDD
Split complementary#35DD81, #3591DD
Tetradic#91DD35, #35DDD5, #8135DD

Tints, shades & saturation

Lighter +40%#FAE4E5
Lighter +30%#F3B8BB
Lighter +20%#EC8C91
Lighter +10%#E46167
Darker −10%#BF2028
Darker −20%#93191F
Darker −30%#681116
Darker −40%#3C0A0C
More saturated +25%#FB1722
Less saturated −25%#C05258

Channel breakdown

R221
G53
B61
Red221 (86.7%)
Green53 (20.8%)
Blue61 (23.9%)
Hue357.14°
Saturation (HSL)71.19%
Lightness53.73%
Dominant channelRed
Hex per channelR DD · G 35 · B 3D

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Every value on this page was computed from “dd353d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.