Recognised as Colour

#D81F34

#D81F34
Red
Dark
Nearest: Crimson

#D81F34 is a red with RGB values 216, 31, 52 and HSL 353°, 75%, 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

#D81F34#D81F34

HEX#D81F34

RGBrgb(216, 31, 52)

RGB (0–1)0.8471, 0.1216, 0.2039

RGB percentages84.7%, 12.2%, 20.4%

HSLhsl(353.2, 74.9%, 48.4%)

HSV / HSBhsv(353.2, 85.6%, 84.7%)

CMYK0%, 85.6%, 75.9%, 15.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,163,764

CSS custom property--colour: #D81F34;

Brightness & contrast

Relative luminance0.15827WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.04:1

Contrast with white5.04:1WCAG normal text: AA

Contrast with black4.17:1WCAG normal text: Fail

Greyscale equivalent#484848

Inverted#27E0CB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E5633no red cones; affects about 1% of men; ΔE 72.7 from the original

Deuteranopia#8B7C2Dno green cones; the most common form, about 1% of men; ΔE 72.2 from the original

Tritanopia#EE002Ano blue cones; rare, and affects men and women equally; ΔE 13.8 from the original

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

Contrast with white, large text5.04:1WCAG large text: AAA

Contrast with black, large text4.17:1WCAG large text: AA

Named colours

Crimson · ΔE 5.2 Firebrick · ΔE 14.1 Tomato · ΔE 20.3 Brown · ΔE 21.6 Dark red · ΔE 25.3 Indian red · ΔE 28.6

Nearest named CSS colourCrimson (#DC143C)ΔE 5.22, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1FD8C3

Analogous#D81F91, #D8661F

Triadic#34D81F, #1F34D8

Split complementary#1FD866, #1F91D8

Tetradic#91D81F, #1FD8C3, #661FD8

Tints, shades & saturation

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

Lighter +40%#F8CBD0

Lighter +30%#F19FA8

Lighter +20%#EB7280

Lighter +10%#E44658

Darker −10%#AB1929

Darker −20%#7F121F

Darker −30%#520C14

Darker −40%#260509

More saturated +25%#F7001C

Less saturated −25%#B93E4C

Channel breakdown

R216

G31

B52

Red216 (84.7%)

Green31 (12.2%)

Blue52 (20.4%)

Hue353.19°

Saturation (HSL)74.9%

Lightness48.43%

Dominant channelRed

Hex per channelR D8 · G 1F · B 34

Keep nerding

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

#D81F34

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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