Recognised as Colour

#D80D00

#D80D00
Red
Dark
Nearest: Red

#D80D00 is a red with RGB values 216, 13, 0 and HSL 4°, 100%, 42%. 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

#D80D00#D80D00

HEX#D80D00

RGBrgb(216, 13, 0)

RGB (0–1)0.8471, 0.051, 0

RGB percentages84.7%, 5.1%, 0%

HSLhsl(3.6, 100%, 42.4%)

HSV / HSBhsv(3.6, 100%, 84.7%)

CMYK0%, 94%, 100%, 15.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,159,104

CSS custom property--colour: #D80D00;

Brightness & contrast

Relative luminance0.14887WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.28:1

Contrast with white5.28:1WCAG normal text: AA

Contrast with black3.98:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#27F2FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D5100no red cones; affects about 1% of men; ΔE 75.5 from the original

Deuteranopia#8A7A00no green cones; the most common form, about 1% of men; ΔE 74.7 from the original

Tritanopia#EF0012no blue cones; rare, and affects men and women equally; ΔE 8.2 from the original

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

Contrast with white, large text5.28:1WCAG large text: AAA

Contrast with black, large text3.98:1WCAG large text: AA

Named colours

Red · ΔE 15.3 Orange red · ΔE 15.5 Tomato · ΔE 24.2 Crimson · ΔE 25.9 Firebrick · ΔE 26.4 Dark red · ΔE 31.2

Nearest named CSS colourRed (#FF0000)ΔE 15.25, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00CBD8

Analogous#D8005F, #D87900

Triadic#00D80D, #0D00D8

Split complementary#00D879, #005FD8

Tetradic#5FD800, #00CBD8, #7900D8

Tints, shades & saturation

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

Lighter +40%#FFAAA5

Lighter +30%#FF7A72

Lighter +20%#FF4B3F

Lighter +10%#FF1B0C

Darker −10%#A50A00

Darker −20%#720700

Darker −30%#3F0400

Darker −40%#0C0100

More saturated +25%#D80D00

Less saturated −25%#BD251B

Channel breakdown

R216

G13

Red216 (84.7%)

Green13 (5.1%)

Blue0 (0%)

Hue3.61°

Saturation (HSL)100%

Lightness42.35%

Dominant channelRed

Hex per channelR D8 · G 0D · B 00

Keep nerding

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

#D80D00

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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