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Recognised as Colour

#DF0817

  • #DF0817
  • Red
  • Dark
  • Nearest: Red

#DF0817 is a red with RGB values 223, 8, 23 and HSL 356°, 93%, 45%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#DF0817#DF0817
HEX#DF0817
RGBrgb(223, 8, 23)
RGB (0–1)0.8745, 0.0314, 0.0902
RGB percentages87.5%, 3.1%, 9%
HSLhsl(355.8, 93.1%, 45.3%)
HSV / HSBhsv(355.8, 96.4%, 87.5%)
CMYK0%, 96.4%, 89.7%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,616,599
CSS custom property--colour: #DF0817;

Brightness & contrast

Relative luminance0.15924WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.02:1
Contrast with white5.02:1WCAG normal text: AA
Contrast with black4.18:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#20F7E8

Colour vision & accessibility

Protanopia#5E5312no red cones; affects about 1% of men; ΔE 77.9 from the original
Deuteranopia#8E7E00no green cones; the most common form, about 1% of men; ΔE 77.5 from the original
Tritanopia#F60016no blue cones; rare, and affects men and women equally; ΔE 9.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.02:1WCAG large text: AAA
Contrast with black, large text4.18:1WCAG large text: AA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 17.27, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#08DFD0
Analogous#DF0882, #DF6408
Triadic#17DF08, #0817DF
Split complementary#08DF64, #0882DF
Tetradic#83DF08, #08DFD0, #6508DF

Tints, shades & saturation

Lighter +40%#FCB7BB
Lighter +30%#FB858E
Lighter +20%#F95460
Lighter +10%#F72332
Darker −10%#AE0612
Darker −20%#7D040D
Darker −30%#4B0308
Darker −40%#1A0103
More saturated +25%#E70010
Less saturated −25%#C22530

Channel breakdown

R223
G8
B23
Red223 (87.5%)
Green8 (3.1%)
Blue23 (9%)
Hue355.81°
Saturation (HSL)93.07%
Lightness45.29%
Dominant channelRed
Hex per channelR DF · G 08 · B 17

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Every value on this page was computed from “df0817” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.