Red — #FF0000

#FF0000, primarily known as Red, is composed of 100% red, 0% green, and 0% blue in RGB. In CMYK it is 0% cyan, 100% magenta, 100% yellow, 0% black. In HSL the hue angle is 0°, saturation 100%, and lightness 50%. The closest web-safe color is #FF0000.

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Color conversions

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Format	Value	Copy
HEX	#FF0000
RGB	rgb(255, 0, 0)
HSL	hsl(0, 100%, 50%)
HSV	hsv(0, 100%, 100%)
CMYK	cmyk(0%, 100%, 100%, 0%)
OKLCH	oklch(62.8% 0.2577 29.23)
HWB	hwb(0 0% 0%)
LAB	lab(54.3% 80.81 69.89)
LCH	lch(54.3% 106.8 40.9)
OKLAB	oklab(62.8% 0.2249 0.1258)
XYZ	X 41.25 Y 21.27 Z 1.93
Web Safe	#FF0000
RGB Percent	100%, 0%, 0%
Decimal	16711680

Format	Value	Copy
HEX	#FF0000
RGB	rgb(255, 0, 0)
HSL	hsl(0, 100%, 50%)
HSV	hsv(0, 100%, 100%)
CMYK	cmyk(0%, 100%, 100%, 0%)
OKLCH	oklch(62.8% 0.2577 29.23)
HWB	hwb(0 0% 0%)

Format	Value	Copy
LAB	lab(54.3% 80.81 69.89)
LCH	lch(54.3% 106.8 40.9)
OKLAB	oklab(62.8% 0.2249 0.1258)
XYZ	X 41.25 Y 21.27 Z 1.93
Web Safe	#FF0000
RGB Percent	100%, 0%, 0%
Decimal	16711680

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.

#FF2929

#D60000

#FF4D4D

#B30000

#FF3300

#FF0033

#F9761F

#E0065D

Similar named colors

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

Rainbow’s Outer Rim

#FF0001 · ΔE 0.26

Candy Apple Red

#FF0800 · ΔE 0.55

Fire Engine

#FE0002 · ΔE 0.79

Left on Red

#FF0303 · ΔE 0.79

Fire Hydrant

#FF0D00 · ΔE 0.9

Encarnado

#FD0202 · ΔE 1.17

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Tints, shades & tones

Full Tints, Shades & Tones →

Contrast preview

Full WCAG AA/AAA check → Contrast Checker

On white

Sample

4.00:1

AA normal ✗ · AA large ✓

On black

Sample

5.25:1

AA normal ✓ · AA large ✓

Color blindness preview

See on an image → Color Blindness Simulator

Protanopia

61% similar

1.3% of men, 0.02% of women

Deuteranopia

61% similar

6% of men, 0.4% of women

Tritanopia

97% similar

0.001% of population

Achromatopsia

50% 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