Recognised as Colour

#D91D40

#D91D40
Red
Dark
Nearest: Crimson

#D91D40 is a red with RGB values 217, 29, 64 and HSL 349°, 76%, 48%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D91D40#D91D40

HEX#D91D40

RGBrgb(217, 29, 64)

RGB (0–1)0.851, 0.1137, 0.251

RGB percentages85.1%, 11.4%, 25.1%

HSLhsl(348.8, 76.4%, 48.2%)

HSV / HSBhsv(348.8, 86.6%, 85.1%)

CMYK0%, 86.6%, 70.5%, 14.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,228,800

CSS custom property--colour: #D91D40;

Brightness & contrast

Relative luminance0.16001WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5:1

Contrast with white5:1WCAG normal text: AA

Contrast with black4.2:1WCAG normal text: Fail

Greyscale equivalent#474747

Inverted#26E2BF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C5740no red cones; affects about 1% of men; ΔE 73.7 from the original

Deuteranopia#8A7D3Ano green cones; the most common form, about 1% of men; ΔE 73.4 from the original

Tritanopia#EF002Eno blue cones; rare, and affects men and women equally; ΔE 17.4 from the original

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

Contrast with white, large text5:1WCAG large text: AAA

Contrast with black, large text4.2:1WCAG large text: AA

Named colours

Crimson · ΔE 3.3 Firebrick · ΔE 16.6 Brown · ΔE 21.4 Tomato · ΔE 24.3 Indian red · ΔE 26.4 Dark red · ΔE 28

Nearest named CSS colourCrimson (#DC143C)ΔE 3.3, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1DD9B6

Analogous#D91D9E, #D9581D

Triadic#40D91D, #1D40D9

Split complementary#1DD958, #1D9ED9

Tetradic#9ED91D, #1DD9B6, #581DD9

Tints, shades & saturation

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

Lighter +40%#F8CAD3

Lighter +30%#F29DAD

Lighter +20%#EC7087

Lighter +10%#E64361

Darker −10%#AC1733

Darker −20%#7F1125

Darker −30%#520B18

Darker −40%#25050B

More saturated +25%#F6002E

Less saturated −25%#BA3C53

Channel breakdown

R217

G29

B64

Red217 (85.1%)

Green29 (11.4%)

Blue64 (25.1%)

Hue348.83°

Saturation (HSL)76.42%

Lightness48.24%

Dominant channelRed

Hex per channelR D9 · G 1D · B 40

Keep nerding

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

#D91D40

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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