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Recognised as Colour

#D43022

  • #D43022
  • Red
  • Dark
  • Nearest: Firebrick

#D43022 is a red with RGB values 212, 48, 34 and HSL 5°, 72%, 48%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#D43022#D43022
HEX#D43022
RGBrgb(212, 48, 34)
RGB (0–1)0.8314, 0.1882, 0.1333
RGB percentages83.1%, 18.8%, 13.3%
HSLhsl(4.7, 72.4%, 48.2%)
HSV / HSBhsv(4.7, 84%, 83.1%)
CMYK0%, 77.4%, 84%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,905,954
CSS custom property--colour: #D43022;

Brightness & contrast

Relative luminance0.16226WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.95:1
Contrast with white4.95:1WCAG normal text: AA
Contrast with black4.25:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#2BCFDD

Colour vision & accessibility

Protanopia#64591Eno red cones; affects about 1% of men; ΔE 67.2 from the original
Deuteranopia#8C7D18no green cones; the most common form, about 1% of men; ΔE 67.3 from the original
Tritanopia#EA002Fno blue cones; rare, and affects men and women equally; ΔE 14.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.95:1WCAG large text: AAA
Contrast with black, large text4.25:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 14.29, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#22C6D4
Analogous#D4226D, #D48922
Triadic#22D430, #3022D4
Split complementary#22D489, #226DD4
Tetradic#6DD422, #22C6D4, #8922D4

Tints, shades & saturation

Lighter +40%#F7CFCB
Lighter +30%#F0A69F
Lighter +20%#E97D73
Lighter +10%#E25447
Darker −10%#A8261B
Darker −20%#7C1C14
Darker −30%#50120D
Darker −40%#240806
More saturated +25%#F31603
Less saturated −25%#B54A41

Channel breakdown

R212
G48
B34
Red212 (83.1%)
Green48 (18.8%)
Blue34 (13.3%)
Hue4.72°
Saturation (HSL)72.36%
Lightness48.24%
Dominant channelRed
Hex per channelR D4 · G 30 · B 22

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Every value on this page was computed from “d43022” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.