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Recognised as Colour

#DA0337

  • #DA0337
  • Red
  • Dark
  • Nearest: Crimson

#DA0337 is a red with RGB values 218, 3, 55 and HSL 345°, 97%, 43%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DA0337#DA0337
HEX#DA0337
RGBrgb(218, 3, 55)
RGB (0–1)0.8549, 0.0118, 0.2157
RGB percentages85.5%, 1.2%, 21.6%
HSLhsl(345.5, 97.3%, 43.3%)
HSV / HSBhsv(345.5, 98.6%, 85.5%)
CMYK0%, 98.6%, 74.8%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,287,671
CSS custom property--colour: #DA0337;

Brightness & contrast

Relative luminance0.15246WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.19:1
Contrast with white5.19:1WCAG normal text: AA
Contrast with black4.05:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#25FCC8

Colour vision & accessibility

Protanopia#595236no red cones; affects about 1% of men; ΔE 76.7 from the original
Deuteranopia#897B2Fno green cones; the most common form, about 1% of men; ΔE 76.7 from the original
Tritanopia#F00021no blue cones; rare, and affects men and women equally; ΔE 18.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.19:1WCAG large text: AAA
Contrast with black, large text4.05:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 2.2, below the just-noticeable difference
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#03DAA6
Analogous#DA03A2, #DA3B03
Triadic#37DA03, #0337DA
Split complementary#03DA3A, #03A3DA
Tetradic#A3DA03, #03DAA6, #3B03DA

Tints, shades & saturation

Lighter +40%#FEABBF
Lighter +30%#FD7999
Lighter +20%#FC4773
Lighter +10%#FC144C
Darker −10%#A8022A
Darker −20%#75021E
Darker −30%#430111
Darker −40%#110004
More saturated +25%#DD0035
Less saturated −25%#BE1F45

Channel breakdown

R218
G3
B55
Red218 (85.5%)
Green3 (1.2%)
Blue55 (21.6%)
Hue345.49°
Saturation (HSL)97.29%
Lightness43.33%
Dominant channelRed
Hex per channelR DA · G 03 · B 37

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Every value on this page was computed from “da0337” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.