What color is #FF0000?

#FF0000 is a vivid red known as Red. It belongs to the red family of colors.

What is the RGB value of Red?

The RGB value is 255, 0, 0: 255 red, 0 green and 0 blue on a 0 to 255 scale.

What is the complementary color of Red?

The complementary color is #00FFFF, found by rotating the hue 180° on the color wheel.

Is black or white text better on #FF0000?

Black text. Black text has a contrast ratio of 5.25:1 and white text 4:1. WCAG asks for at least 4.5:1 for normal text.

Red color: hex code #FF0000

#FF0000 rgb(255, 0, 0)

Shades of red

Red has the hex code #FF0000. It is a vivid red.

In the RGB color model it is made of 100% red, 0% green and 0% blue (255, 0, 0).

Its hue angle is 0°, with 100% saturation and 50% lightness. For print, the CMYK equivalent is 0% cyan, 100% magenta, 100% yellow and 0% black.

You can use it in CSS with the keyword red.

Black text is the more readable choice on this background (contrast 5.25:1).

Red (#FF0000) color codes

HEX	`#FF0000`
RGB	`rgb(255, 0, 0)`
RGB percent	`rgb(100%, 0%, 0%)`
HSL	`hsl(0, 100%, 50%)`
HSV / HSB	`hsv(0, 100%, 100%)`
CMYK	`cmyk(0%, 100%, 100%, 0%)`
CIE LAB	`lab(53.24, 80.09, 67.2)`
CIE LCH	`lch(53.24, 104.55, 40)`
CIE XYZ	`xyz(41.246, 21.267, 1.933)`
Decimal	`16711680`
Short hex	`#F00`

Color harmonies

Colors that go with Red, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #FF0000	Ratio	AA	AAA	AA large
Sample text	5.25:1	Pass	Fail	Pass
Sample text	4:1	Fail	Fail	Pass

#FF0000 as text on	Ratio	AA	AAA	AA large
Sample text	4:1	Fail	Fail	Pass
Sample text	5.25:1	Pass	Fail	Pass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #FF0000 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #ff0000; }
.text { color: #ff0000; }
.border { border: 2px solid #ff0000; }
.transparent { background-color: rgb(255 0 0 / 50%); }
.gradient { background: linear-gradient(to right, #ff0000, #ff8000); }

Background

Text color

Border

Similar colors

See #FF0000 on its hex code page

Questions

What color is #FF0000?: #FF0000 is a vivid red known as Red. It belongs to the red family of colors.
What is the RGB value of Red?: The RGB value is 255, 0, 0: 255 red, 0 green and 0 blue on a 0 to 255 scale.
What is the complementary color of Red?: The complementary color is #00FFFF, found by rotating the hue 180° on the color wheel.
Is black or white text better on #FF0000?: Black text. Black text has a contrast ratio of 5.25:1 and white text 4:1. WCAG asks for at least 4.5:1 for normal text.