Recognised as Colour

#DF291D

#DF291D
Red
Dark
Nearest: Tomato

#DF291D is a red with RGB values 223, 41, 29 and HSL 4°, 77%, 49%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#DF291D#DF291D

HEX#DF291D

RGBrgb(223, 41, 29)

RGB (0–1)0.8745, 0.1608, 0.1137

RGB percentages87.5%, 16.1%, 11.4%

HSLhsl(3.7, 77%, 49.4%)

HSV / HSBhsv(3.7, 87%, 87.5%)

CMYK0%, 81.6%, 87%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,625,053

CSS custom property--colour: #DF291D;

Brightness & contrast

Relative luminance0.17363WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.7:1

Contrast with white4.7:1WCAG normal text: AA

Contrast with black4.47:1WCAG normal text: Fail

Greyscale equivalent#4F4F4F

Inverted#20D6E2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665A18no red cones; affects about 1% of men; ΔE 72.3 from the original

Deuteranopia#92820Dno green cones; the most common form, about 1% of men; ΔE 72.6 from the original

Tritanopia#F60029no blue cones; rare, and affects men and women equally; ΔE 12 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text4.7:1WCAG large text: AAA

Contrast with black, large text4.47:1WCAG large text: AA

Named colours

Tomato · ΔE 17.2 Orange red · ΔE 19 Crimson · ΔE 19.1 Red · ΔE 20.5 Firebrick · ΔE 20.5 Dark red · ΔE 28.2

Nearest named CSS colourTomato (#FF6347)ΔE 17.2, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#1DD3DF

Analogous#DF1D72, #DF8A1D

Triadic#1DDF29, #291DDF

Split complementary#1DDF8A, #1D72DF

Tetradic#72DF1D, #1DD3DF, #8A1DDF

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#F9D2CF

Lighter +30%#F3A7A2

Lighter +20%#ED7C75

Lighter +10%#E75248

Darker −10%#B22117

Darker −20%#851811

Darker −30%#58100B

Darker −40%#2A0806

More saturated +25%#FC1000

Less saturated −25%#C0453D

Channel breakdown

R223

G41

B29

Red223 (87.5%)

Green41 (16.1%)

Blue29 (11.4%)

Hue3.71°

Saturation (HSL)76.98%

Lightness49.41%

Dominant channelRed

Hex per channelR DF · G 29 · B 1D

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#DF291D

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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