Colour

#FF2222

#FF2222
Red
Dark
Nearest: Red

#FF2222 is a red with RGB values 255, 34, 34 and HSL 0°, 100%, 57%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF2222#FF2222

HEX#FF2222

HEX (short)#F22

RGBrgb(255, 34, 34)

RGB (0–1)1, 0.1333, 0.1333

RGB percentages100%, 13.3%, 13.3%

HSLhsl(0, 100%, 56.7%)

HSV / HSBhsv(0, 86.7%, 100%)

CMYK0%, 86.7%, 86.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,720,418

CSS custom property--colour: #FF2222;

Brightness & contrast

Relative luminance0.2252WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.5:1

Contrast with white3.82:1WCAG normal text: Fail

Contrast with black5.5:1WCAG normal text: AA

Greyscale equivalent#515151

Inverted#00DDDD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#71641Dno red cones; affects about 1% of men; ΔE 83.1 from the original

Deuteranopia#A5930Eno green cones; the most common form, about 1% of men; ΔE 83.2 from the original

Tritanopia#FF0027no blue cones; rare, and affects men and women equally; ΔE 5 from the original

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

Contrast with white, large text3.82:1WCAG large text: AA

Contrast with black, large text5.5:1WCAG large text: AAA

Named colours

Red · ΔE 10.5 Orange red · ΔE 15.2 Tomato · ΔE 23.2 Crimson · ΔE 25.5 Firebrick · ΔE 32.6 Coral · ΔE 35.4

Nearest named CSS colourRed (#FF0000)ΔE 10.54, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22FFFF

Analogous#FF2291, #FF9122

Triadic#22FF22, #2222FF

Split complementary#22FF91, #2291FF

Tetradic#91FF22, #22FFFF, #9122FF

Tints, shades & saturation

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

Lighter +40%#FFEEEE

Lighter +30%#FFBBBB

Lighter +20%#FF8888

Lighter +10%#FF5555

Darker −10%#EE0000

Darker −20%#BB0000

Darker −30%#880000

Darker −40%#550000

More saturated +25%#FF2222

Less saturated −25%#E33E3E

Channel breakdown

R255

G34

B34

Red255 (100%)

Green34 (13.3%)

Blue34 (13.3%)

Hue0°

Saturation (HSL)100%

Lightness56.67%

Dominant channelRed

Hex per channelR FF · G 22 · B 22

Keep nerding

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#FF2222

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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