Recognised as Colour

#DD000B

#DD000B
Red
Dark
Nearest: Red

#DD000B is a red with RGB values 221, 0, 11 and HSL 357°, 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 Red.

Colour values

#DD000B#DD000B

HEX#DD000B

RGBrgb(221, 0, 11)

RGB (0–1)0.8667, 0, 0.0431

RGB percentages86.7%, 0%, 4.3%

HSLhsl(357, 100%, 43.3%)

HSV / HSBhsv(357, 100%, 86.7%)

CMYK0%, 100%, 95%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,483,467

CSS custom property--colour: #DD000B;

Brightness & contrast

Relative luminance0.15396WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.15:1

Contrast with white5.15:1WCAG normal text: AA

Contrast with black4.08:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#22FFF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D5102no red cones; affects about 1% of men; ΔE 77.6 from the original

Deuteranopia#8D7C00no green cones; the most common form, about 1% of men; ΔE 76.8 from the original

Tritanopia#F4000Eno blue cones; rare, and affects men and women equally; ΔE 8.5 from the original

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

Contrast with white, large text5.15:1WCAG large text: AAA

Contrast with black, large text4.08:1WCAG large text: AA

Named colours

Red · ΔE 14.8 Orange red · ΔE 17 Crimson · ΔE 23.5 Tomato · ΔE 23.9 Firebrick · ΔE 26.2 Dark red · ΔE 31.9

Nearest named CSS colourRed (#FF0000)ΔE 14.78, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00DDD2

Analogous#DD0079, #DD6400

Triadic#0BDD00, #000BDD

Split complementary#00DD63, #007ADD

Tetradic#7ADD00, #00DDD2, #6400DD

Tints, shades & saturation

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

Lighter +40%#FFAAAE

Lighter +30%#FF777E

Lighter +20%#FF444D

Lighter +10%#FF111D

Darker −10%#AA0008

Darker −20%#770006

Darker −30%#440003

Darker −40%#110001

More saturated +25%#DD000B

Less saturated −25%#C11C24

Channel breakdown

R221

B11

Red221 (86.7%)

Green0 (0%)

Blue11 (4.3%)

Hue357.01°

Saturation (HSL)100%

Lightness43.33%

Dominant channelRed

Hex per channelR DD · G 00 · B 0B

Keep nerding

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

#DD000B

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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