Recognised as Colour

#D83004

#D83004
Red
Dark
Nearest: Orange red

#D83004 is a red with RGB values 216, 48, 4 and HSL 12°, 96%, 43%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#D83004#D83004

HEX#D83004

RGBrgb(216, 48, 4)

RGB (0–1)0.8471, 0.1882, 0.0157

RGB percentages84.7%, 18.8%, 1.6%

HSLhsl(12.5, 96.4%, 43.1%)

HSV / HSBhsv(12.5, 98.1%, 84.7%)

CMYK0%, 77.8%, 98.1%, 15.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,168,068

CSS custom property--colour: #D83004;

Brightness & contrast

Relative luminance0.16722WCAG 2.x, 0 is black and 1 is white

Perceived brightness123.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.83:1

Contrast with white4.83:1WCAG normal text: AA

Contrast with black4.34:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#27CFFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#675A00no red cones; affects about 1% of men; ΔE 68.3 from the original

Deuteranopia#907F00no green cones; the most common form, about 1% of men; ΔE 67.8 from the original

Tritanopia#EF002Bno blue cones; rare, and affects men and women equally; ΔE 18.4 from the original

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

Contrast with white, large text4.83:1WCAG large text: AAA

Contrast with black, large text4.34:1WCAG large text: AA

Named colours

Orange red · ΔE 14.6 Tomato · ΔE 19.8 Red · ΔE 19.9 Firebrick · ΔE 24.3 Chocolate · ΔE 27 Crimson · ΔE 27

Nearest named CSS colourOrange red (#FF4500)ΔE 14.6, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04ACD8

Analogous#D80442, #D89A04

Triadic#04D830, #3004D8

Split complementary#04D89A, #0442D8

Tetradic#42D804, #04ACD8, #9A04D8

Tints, shades & saturation

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

Lighter +40%#FDBCAB

Lighter +30%#FD9478

Lighter +20%#FC6C46

Lighter +10%#FB4414

Darker −10%#A62503

Darker −20%#741A02

Darker −30%#420F01

Darker −40%#100300

More saturated +25%#DC2E00

Less saturated −25%#BC4020

Channel breakdown

R216

G48

Red216 (84.7%)

Green48 (18.8%)

Blue4 (1.6%)

Hue12.45°

Saturation (HSL)96.36%

Lightness43.14%

Dominant channelRed

Hex per channelR D8 · G 30 · B 04

Keep nerding

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

#D83004

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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