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Recognised as Colour

#D02309

  • #D02309
  • Red
  • Dark
  • Nearest: Orange red

#D02309 is a red with RGB values 208, 35, 9 and HSL 8°, 92%, 43%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#D02309#D02309
HEX#D02309
RGBrgb(208, 35, 9)
RGB (0–1)0.8157, 0.1373, 0.0353
RGB percentages81.6%, 13.7%, 3.5%
HSLhsl(7.8, 91.7%, 42.5%)
HSV / HSBhsv(7.8, 95.7%, 81.6%)
CMYK0%, 83.2%, 95.7%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,640,457
CSS custom property--colour: #D02309;

Brightness & contrast

Relative luminance0.14632WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.35:1
Contrast with white5.35:1WCAG normal text: AA
Contrast with black3.93:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#2FDCF6

Colour vision & accessibility

Protanopia#5F5300no red cones; affects about 1% of men; ΔE 69.1 from the original
Deuteranopia#887800no green cones; the most common form, about 1% of men; ΔE 68.8 from the original
Tritanopia#E60021no blue cones; rare, and affects men and women equally; ΔE 12.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.35:1WCAG large text: AAA
Contrast with black, large text3.93:1WCAG large text: AA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 18.67, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#09B6D0
Analogous#D00952, #D08709
Triadic#09D023, #2309D0
Split complementary#09D086, #0953D0
Tetradic#52D009, #09B6D0, #8709D0

Tints, shades & saturation

Lighter +40%#FBB4AA
Lighter +30%#F98A79
Lighter +20%#F75F48
Lighter +10%#F53417
Darker −10%#9F1B07
Darker −20%#6E1305
Darker −30%#3D0A03
Darker −40%#0C0201
More saturated +25%#D91C00
Less saturated −25%#B53724

Channel breakdown

R208
G35
B9
Red208 (81.6%)
Green35 (13.7%)
Blue9 (3.5%)
Hue7.84°
Saturation (HSL)91.71%
Lightness42.55%
Dominant channelRed
Hex per channelR D0 · G 23 · B 09

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Every value on this page was computed from “d02309” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.