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Recognised as Colour

#DD4643

  • #DD4643
  • Red
  • Dark
  • Nearest: Firebrick

#DD4643 is a red with RGB values 221, 70, 67 and HSL 1°, 69%, 56%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#DD4643#DD4643
HEX#DD4643
RGBrgb(221, 70, 67)
RGB (0–1)0.8667, 0.2745, 0.2627
RGB percentages86.7%, 27.5%, 26.3%
HSLhsl(1.2, 69.4%, 56.5%)
HSV / HSBhsv(1.2, 69.7%, 86.7%)
CMYK0%, 68.3%, 69.7%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,501,443
CSS custom property--colour: #DD4643;

Brightness & contrast

Relative luminance0.20158WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.03:1
Contrast with white4.17:1WCAG normal text: Fail
Contrast with black5.03:1WCAG normal text: AA
Greyscale equivalent#666666
Inverted#22B9BC

Colour vision & accessibility

Protanopia#706741no red cones; affects about 1% of men; ΔE 62.7 from the original
Deuteranopia#96883Eno green cones; the most common form, about 1% of men; ΔE 63.2 from the original
Tritanopia#F31747no blue cones; rare, and affects men and women equally; ΔE 18.4 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 text5.03:1WCAG large text: AAA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 13.31, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#43DADD
Analogous#DD438D, #DD9343
Triadic#43DD46, #4643DD
Split complementary#43DD93, #438DDD
Tetradic#8DDD43, #43DADD, #9343DD

Tints, shades & saturation

Lighter +40%#FCF0F0
Lighter +30%#F4C6C5
Lighter +20%#ED9B99
Lighter +10%#E5706E
Darker −10%#C92724
Darker −20%#9E1F1C
Darker −30%#721615
Darker −40%#470E0D
More saturated +25%#F92B27
Less saturated −25%#C1615F

Channel breakdown

R221
G70
B67
Red221 (86.7%)
Green70 (27.5%)
Blue67 (26.3%)
Hue1.17°
Saturation (HSL)69.37%
Lightness56.47%
Dominant channelRed
Hex per channelR DD · G 46 · B 43

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Every value on this page was computed from “dd4643” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.