Colour

#D71010

#D71010
Red
Dark
Nearest: Red

#D71010 is a red with RGB values 215, 16, 16 and HSL 0°, 86%, 45%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#D71010#D71010

HEX#D71010

RGBrgb(215, 16, 16)

RGB (0–1)0.8431, 0.0627, 0.0627

RGB percentages84.3%, 6.3%, 6.3%

HSLhsl(0, 86.1%, 45.3%)

HSV / HSBhsv(0, 92.6%, 84.3%)

CMYK0%, 92.6%, 92.6%, 15.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,094,352

CSS custom property--colour: #D71010;

Brightness & contrast

Relative luminance0.14855WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.29:1

Contrast with white5.29:1WCAG normal text: AA

Contrast with black3.97:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#28EFEF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C5108no red cones; affects about 1% of men; ΔE 74.9 from the original

Deuteranopia#8A7A00no green cones; the most common form, about 1% of men; ΔE 74.2 from the original

Tritanopia#EE0017no blue cones; rare, and affects men and women equally; ΔE 8.7 from the original

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

Contrast with white, large text5.29:1WCAG large text: AAA

Contrast with black, large text3.97:1WCAG large text: AA

Named colours

Red · ΔE 18.6 Orange red · ΔE 19 Crimson · ΔE 20.9 Tomato · ΔE 21.7 Firebrick · ΔE 22.2 Dark red · ΔE 28.3

Nearest named CSS colourRed (#FF0000)ΔE 18.64, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#10D7D7

Analogous#D71074, #D77410

Triadic#10D710, #1010D7

Split complementary#10D774, #1074D7

Tetradic#74D710, #10D7D7, #7410D7

Tints, shades & saturation

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

Lighter +40%#FAB9B9

Lighter +30%#F68A8A

Lighter +20%#F35A5A

Lighter +10%#EF2B2B

Darker −10%#A80C0C

Darker −20%#780909

Darker −30%#490505

Darker −40%#190202

More saturated +25%#E70000

Less saturated −25%#BA2D2D

Channel breakdown

R215

G16

B16

Red215 (84.3%)

Green16 (6.3%)

Blue16 (6.3%)

Hue0°

Saturation (HSL)86.15%

Lightness45.29%

Dominant channelRed

Hex per channelR D7 · G 10 · B 10

Keep nerding

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#D71010

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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