Colour

#DD2B22

#DD2B22
Red
Dark
Nearest: Tomato

#DD2B22 is a red with RGB values 221, 43, 34 and HSL 3°, 73%, 50%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#DD2B22#DD2B22

HEX#DD2B22

RGBrgb(221, 43, 34)

RGB (0–1)0.8667, 0.1686, 0.1333

RGB percentages86.7%, 16.9%, 13.3%

HSLhsl(2.9, 73.3%, 50%)

HSV / HSBhsv(2.9, 84.6%, 86.7%)

CMYK0%, 80.5%, 84.6%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,494,498

CSS custom property--colour: #DD2B22;

Brightness & contrast

Relative luminance0.17215WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.73:1

Contrast with white4.73:1WCAG normal text: AA

Contrast with black4.44:1WCAG normal text: Fail

Greyscale equivalent#505050

Inverted#22D4DD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665A1Eno red cones; affects about 1% of men; ΔE 71 from the original

Deuteranopia#918116no green cones; the most common form, about 1% of men; ΔE 71.3 from the original

Tritanopia#F4002Cno blue cones; rare, and affects men and women equally; ΔE 12.4 from the original

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

Contrast with white, large text4.73:1WCAG large text: AAA

Contrast with black, large text4.44:1WCAG large text: AA

Named colours

Tomato · ΔE 16.2 Crimson · ΔE 16.8 Firebrick · ΔE 18.1 Orange red · ΔE 21.5 Red · ΔE 23.2 Dark red · ΔE 26.6

Nearest named CSS colourTomato (#FF6347)ΔE 16.17, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22D4DD

Analogous#DD2277, #DD8822

Triadic#22DD2B, #2B22DD

Split complementary#22DD88, #2277DD

Tetradic#77DD22, #22D4DD, #8822DD

Tints, shades & saturation

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

Lighter +40%#F8D5D3

Lighter +30%#F1AAA7

Lighter +20%#EB807A

Lighter +10%#E4554E

Darker −10%#B1221B

Darker −20%#851A14

Darker −30%#58110E

Darker −40%#2C0907

More saturated +25%#FD0E02

Less saturated −25%#BD4842

Channel breakdown

R221

G43

B34

Red221 (86.7%)

Green43 (16.9%)

Blue34 (13.3%)

Hue2.89°

Saturation (HSL)73.33%

Lightness50%

Dominant channelRed

Hex per channelR DD · G 2B · B 22

Keep nerding

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

#DD2B22

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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