Tailwind Red 500 — #EF4444

#EF4444, primarily known as Tailwind Red 500, is composed of 94% red, 27% green, and 27% blue in RGB. In CMYK it is 0% cyan, 72% magenta, 72% yellow, 6% black. In HSL the hue angle is 0°, saturation 84%, and lightness 60%. The closest web-safe color is #CC3333.

Closest named match: Glowing Brake Disc (#EE4444, ΔE 0.44)

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Color conversions

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Format	Value	Copy
HEX	#EF4444
RGB	rgb(239, 68, 68)
HSL	hsl(0, 84.2%, 60.2%)
HSV	hsv(0, 71.5%, 93.7%)
CMYK	cmyk(0%, 71.5%, 71.5%, 6.3%)
OKLCH	oklch(63.68% 0.2078 25.33)
HWB	hwb(0 26.7% 6.3%)
LAB	lab(55.8% 65.62 40.8)
LCH	lch(55.8% 77.3 31.9)
OKLAB	oklab(63.68% 0.1879 0.0889)
XYZ	X 38.71 Y 22.91 Z 7.85
Web Safe	#CC3333
RGB Percent	93.7%, 26.7%, 26.7%
Decimal	15680580

Format	Value	Copy
HEX	#EF4444
RGB	rgb(239, 68, 68)
HSL	hsl(0, 84.2%, 60.2%)
HSV	hsv(0, 71.5%, 93.7%)
CMYK	cmyk(0%, 71.5%, 71.5%, 6.3%)
OKLCH	oklch(63.68% 0.2078 25.33)
HWB	hwb(0 26.7% 6.3%)

Format	Value	Copy
LAB	lab(55.8% 65.62 40.8)
LCH	lch(55.8% 77.3 31.9)
OKLAB	oklab(63.68% 0.1879 0.0889)
XYZ	X 38.71 Y 22.91 Z 7.85
Web Safe	#CC3333
RGB Percent	93.7%, 26.7%, 26.7%
Decimal	15680580

Color harmonies

Harmony swatches keep the same saturation and lightness as the base color.

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Complementary

Analogous

Triadic

Split-complementary

Tetradic

Square

Alternative colors

Nearby variations by nudging hue and lightness. Click a swatch to open that color.

#F26A6A

#EC1E1E

#F58A8A

#D41212

#EF6644

#EF4466

#ED9860

#E7327B

Similar named colors

Nearest matches from our 30,000-name dataset (CIELAB ΔE). Click a swatch to open that color.

Glowing Brake Disc

#EE4444 · ΔE 0.44

Pumping Spice

#F7504A · ΔE 3.43

Angry Flamingo

#F04E45 · ΔE 3.64

Carmine Pink

#EB4C42 · ΔE 4.26

Tart Orange

#FB4D46 · ΔE 4.71

Pastel Strawberry

#EF4F4C · ΔE 4.78

Rose Madder

#E33636 · ΔE 4.88

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Tints, shades & tones

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Contrast preview

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On white

Sample

3.76:1

AA normal ✗ · AA large ✓

On black

Sample

5.58:1

AA normal ✓ · AA large ✓

Color blindness preview

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Protanopia

71% similar

1.3% of men, 0.02% of women

Deuteranopia

75% similar

6% of men, 0.4% of women

Tritanopia

84% similar

0.001% of population

Achromatopsia

68% similar

0.003% of population

UI preview

Simplified components using a Tailwind-style scale generated from this color.

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Button

Alert

Heads up

This alert uses lighter tints for the background and a mid-tone for the border.

Progress

67% complete