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Recognised as Colour

#D21240

  • #D21240
  • Red
  • Dark
  • Nearest: Crimson

#D21240 is a red with RGB values 210, 18, 64 and HSL 346°, 84%, 45%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D21240#D21240
HEX#D21240
RGBrgb(210, 18, 64)
RGB (0–1)0.8235, 0.0706, 0.251
RGB percentages82.4%, 7.1%, 25.1%
HSLhsl(345.6, 84.2%, 44.7%)
HSV / HSBhsv(345.6, 91.4%, 82.4%)
CMYK0%, 91.4%, 69.5%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,767,232
CSS custom property--colour: #D21240;

Brightness & contrast

Relative luminance0.14504WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.38:1
Contrast with white5.38:1WCAG normal text: AA
Contrast with black3.9:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#2DEDBF

Colour vision & accessibility

Protanopia#565240no red cones; affects about 1% of men; ΔE 73.3 from the original
Deuteranopia#84783Ano green cones; the most common form, about 1% of men; ΔE 73.3 from the original
Tritanopia#E7002Ano blue cones; rare, and affects men and women equally; ΔE 19.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.38:1WCAG large text: AAA
Contrast with black, large text3.9:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 6.15, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#12D2A4
Analogous#D212A0, #D24412
Triadic#40D212, #1240D2
Split complementary#12D244, #12A0D2
Tetradic#A0D212, #12D2A4, #4412D2

Tints, shades & saturation

Lighter +40%#F9B7C7
Lighter +30%#F588A2
Lighter +20%#F1597E
Lighter +10%#ED2A59
Darker −10%#A30E32
Darker −20%#740A23
Darker −30%#450615
Darker −40%#160207
More saturated +25%#E40037
Less saturated −25%#B52E4F

Channel breakdown

R210
G18
B64
Red210 (82.4%)
Green18 (7.1%)
Blue64 (25.1%)
Hue345.63°
Saturation (HSL)84.21%
Lightness44.71%
Dominant channelRed
Hex per channelR D2 · G 12 · B 40

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Every value on this page was computed from “d21240” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.