Colour

#D8003F

#D8003F
Red
Dark
Nearest: Crimson

#D8003F is a red with RGB values 216, 0, 63 and HSL 343°, 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 Crimson.

Colour values

#D8003F#D8003F

HEX#D8003F

RGBrgb(216, 0, 63)

RGB (0–1)0.8471, 0, 0.2471

RGB percentages84.7%, 0%, 24.7%

HSLhsl(342.5, 100%, 42.4%)

HSV / HSBhsv(342.5, 100%, 84.7%)

CMYK0%, 100%, 70.8%, 15.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,155,839

CSS custom property--colour: #D8003F;

Brightness & contrast

Relative luminance0.14958WCAG 2.x, 0 is black and 1 is white

Perceived brightness120 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.26:1

Contrast with white5.26:1WCAG normal text: AA

Contrast with black3.99:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#27FFC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#57523Fno red cones; affects about 1% of men; ΔE 76.4 from the original

Deuteranopia#877A38no green cones; the most common form, about 1% of men; ΔE 76.5 from the original

Tritanopia#EE0025no blue cones; rare, and affects men and women equally; ΔE 21.6 from the original

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

Contrast with white, large text5.26:1WCAG large text: AAA

Contrast with black, large text3.99:1WCAG large text: AA

Named colours

Crimson · ΔE 4.2 Firebrick · ΔE 19 Brown · ΔE 23.7 Tomato · ΔE 27.4 Indian red · ΔE 29.3 Dark red · ΔE 29.6

Nearest named CSS colourCrimson (#DC143C)ΔE 4.16, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00D899

Analogous#D800AB, #D82D00

Triadic#3FD800, #003FD8

Split complementary#00D82D, #00ABD8

Tetradic#ABD800, #00D899, #2D00D8

Tints, shades & saturation

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

Lighter +40%#FFA5BF

Lighter +30%#FF729B

Lighter +20%#FF3F77

Lighter +10%#FF0C53

Darker −10%#A50030

Darker −20%#720021

Darker −30%#3F0012

Darker −40%#0C0004

More saturated +25%#D8003F

Less saturated −25%#BD1B4A

Channel breakdown

R216

B63

Red216 (84.7%)

Green0 (0%)

Blue63 (24.7%)

Hue342.5°

Saturation (HSL)100%

Lightness42.35%

Dominant channelRed

Hex per channelR D8 · G 00 · B 3F

Keep nerding

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

#D8003F

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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