Colour

#DD002E

#DD002E
Red
Dark
Nearest: Crimson

#DD002E is a red with RGB values 221, 0, 46 and HSL 348°, 100%, 43%. 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

#DD002E#DD002E

HEX#DD002E

RGBrgb(221, 0, 46)

RGB (0–1)0.8667, 0, 0.1804

RGB percentages86.7%, 0%, 18%

HSLhsl(347.5, 100%, 43.3%)

HSV / HSBhsv(347.5, 100%, 86.7%)

CMYK0%, 100%, 79.2%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,483,502

CSS custom property--colour: #DD002E;

Brightness & contrast

Relative luminance0.15569WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.1:1

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

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

Greyscale equivalent#323232

Inverted#22FFD1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B532Dno red cones; affects about 1% of men; ΔE 78.2 from the original

Deuteranopia#8B7D24no green cones; the most common form, about 1% of men; ΔE 78.2 from the original

Tritanopia#F4001Cno blue cones; rare, and affects men and women equally; ΔE 16.6 from the original

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

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

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

Named colours

Crimson · ΔE 7.8 Firebrick · ΔE 18.5 Tomato · ΔE 22.2 Brown · ΔE 26.8 Red · ΔE 28 Dark red · ΔE 28.3

Nearest named CSS colourCrimson (#DC143C)ΔE 7.76, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00DDAF

Analogous#DD009D, #DD4100

Triadic#2EDD00, #002EDD

Split complementary#00DD41, #009CDD

Tetradic#9CDD00, #00DDAF, #4000DD

Tints, shades & saturation

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

Lighter +40%#FFAABC

Lighter +30%#FF7793

Lighter +20%#FF446B

Lighter +10%#FF1143

Darker −10%#AA0023

Darker −20%#770019

Darker −30%#44000E

Darker −40%#110004

More saturated +25%#DD002E

Less saturated −25%#C11C3E

Channel breakdown

R221

B46

Red221 (86.7%)

Green0 (0%)

Blue46 (18%)

Hue347.51°

Saturation (HSL)100%

Lightness43.33%

Dominant channelRed

Hex per channelR DD · G 00 · B 2E

Keep nerding

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#DD002E

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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