Colour

#D71F24

#D71F24
Red
Dark
Nearest: Crimson

#D71F24 is a red with RGB values 215, 31, 36 and HSL 358°, 75%, 48%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D71F24#D71F24

HEX#D71F24

RGBrgb(215, 31, 36)

RGB (0–1)0.8431, 0.1216, 0.1412

RGB percentages84.3%, 12.2%, 14.1%

HSLhsl(358.4, 74.8%, 48.2%)

HSV / HSBhsv(358.4, 85.6%, 84.3%)

CMYK0%, 85.6%, 83.3%, 15.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,098,212

CSS custom property--colour: #D71F24;

Brightness & contrast

Relative luminance0.15554WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.11:1

Contrast with white5.11:1WCAG normal text: AA

Contrast with black4.11:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#28E0DB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5521no red cones; affects about 1% of men; ΔE 72.5 from the original

Deuteranopia#8B7C19no green cones; the most common form, about 1% of men; ΔE 72.4 from the original

Tritanopia#ED0024no blue cones; rare, and affects men and women equally; ΔE 10.8 from the original

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

Contrast with white, large text5.11:1WCAG large text: AAA

Contrast with black, large text4.11:1WCAG large text: AA

Named colours

Crimson · ΔE 13.2 Firebrick · ΔE 15.8 Tomato · ΔE 18.3 Dark red · ΔE 24.8 Brown · ΔE 25 Orange red · ΔE 25.4

Nearest named CSS colourCrimson (#DC143C)ΔE 13.15, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1FD7D2

Analogous#D71F80, #D7761F

Triadic#24D71F, #1F24D7

Split complementary#1FD776, #1F80D7

Tetradic#80D71F, #1FD7D2, #761FD7

Tints, shades & saturation

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

Lighter +40%#F7CBCC

Lighter +30%#F19EA0

Lighter +20%#EB7175

Lighter +10%#E44549

Darker −10%#AA191D

Darker −20%#7E1215

Darker −30%#510C0E

Darker −40%#250506

More saturated +25%#F60007

Less saturated −25%#B83E41

Channel breakdown

R215

G31

B36

Red215 (84.3%)

Green31 (12.2%)

Blue36 (14.1%)

Hue358.37°

Saturation (HSL)74.8%

Lightness48.24%

Dominant channelRed

Hex per channelR D7 · G 1F · B 24

Keep nerding

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

#D71F24

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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