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Recognised as Colour

#D80028

  • #D80028
  • Red
  • Dark
  • Nearest: Crimson

#D80028 is a red with RGB values 216, 0, 40 and HSL 349°, 100%, 42%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D80028#D80028
HEX#D80028
RGBrgb(216, 0, 40)
RGB (0–1)0.8471, 0, 0.1569
RGB percentages84.7%, 0%, 15.7%
HSLhsl(348.9, 100%, 42.4%)
HSV / HSBhsv(348.9, 100%, 84.7%)
CMYK0%, 100%, 81.5%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,155,816
CSS custom property--colour: #D80028;

Brightness & contrast

Relative luminance0.14752WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.32:1
Contrast with white5.32:1WCAG normal text: AA
Contrast with black3.95:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#27FFD7

Colour vision & accessibility

Protanopia#595026no red cones; affects about 1% of men; ΔE 76.6 from the original
Deuteranopia#887A1Dno green cones; the most common form, about 1% of men; ΔE 76.8 from the original
Tritanopia#EE0019no blue cones; rare, and affects men and women equally; ΔE 14.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.32:1WCAG large text: AAA
Contrast with black, large text3.95:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 9.62, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#00D8B0
Analogous#D80094, #D84400
Triadic#28D800, #0028D8
Split complementary#00D844, #0094D8
Tetradic#94D800, #00D8B0, #4400D8

Tints, shades & saturation

Lighter +40%#FFA5B6
Lighter +30%#FF728C
Lighter +20%#FF3F63
Lighter +10%#FF0C39
Darker −10%#A5001F
Darker −20%#720015
Darker −30%#3F000C
Darker −40%#0C0002
More saturated +25%#D80028
Less saturated −25%#BD1B39

Channel breakdown

R216
G0
B40
Red216 (84.7%)
Green0 (0%)
Blue40 (15.7%)
Hue348.89°
Saturation (HSL)100%
Lightness42.35%
Dominant channelRed
Hex per channelR D8 · G 00 · B 28

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Every value on this page was computed from “d80028” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.