Recognised as Colour

#DD0016

#DD0016
Red
Dark
Nearest: Red

#DD0016 is a red with RGB values 221, 0, 22 and HSL 354°, 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

#DD0016#DD0016

HEX#DD0016

RGBrgb(221, 0, 22)

RGB (0–1)0.8667, 0, 0.0863

RGB percentages86.7%, 0%, 8.6%

HSLhsl(354, 100%, 43.3%)

HSV / HSBhsv(354, 100%, 86.7%)

CMYK0%, 100%, 90%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,483,478

CSS custom property--colour: #DD0016;

Brightness & contrast

Relative luminance0.1543WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.14:1

Contrast with white5.14:1WCAG normal text: AA

Contrast with black4.09:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#22FFE9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D5211no red cones; affects about 1% of men; ΔE 77.9 from the original

Deuteranopia#8C7C00no green cones; the most common form, about 1% of men; ΔE 77.5 from the original

Tritanopia#F40012no blue cones; rare, and affects men and women equally; ΔE 10.1 from the original

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

Contrast with white, large text5.14:1WCAG large text: AAA

Contrast with black, large text4.09:1WCAG large text: AA

Named colours

Red · ΔE 17.6 Crimson · ΔE 19.6 Orange red · ΔE 19.9 Tomato · ΔE 22.4 Firebrick · ΔE 23.5 Dark red · ΔE 30.2

Nearest named CSS colourRed (#FF0000)ΔE 17.63, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00DDC7

Analogous#DD0085, #DD5800

Triadic#16DD00, #0016DD

Split complementary#00DD58, #0085DD

Tetradic#85DD00, #00DDC7, #5800DD

Tints, shades & saturation

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

Lighter +40%#FFAAB2

Lighter +30%#FF7785

Lighter +20%#FF4457

Lighter +10%#FF1129

Darker −10%#AA0011

Darker −20%#77000C

Darker −30%#440007

Darker −40%#110002

More saturated +25%#DD0016

Less saturated −25%#C11C2C

Channel breakdown

R221

B22

Red221 (86.7%)

Green0 (0%)

Blue22 (8.6%)

Hue354.03°

Saturation (HSL)100%

Lightness43.33%

Dominant channelRed

Hex per channelR DD · G 00 · B 16

Keep nerding

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

#DD0016

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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