What color is #CF0021?

#CF0021 is a vivid red, closest to the named color Dangerous Affair. It belongs to the red family of colors.

What is the RGB value of #CF0021?

The RGB value is 207, 0, 33: 207 red, 0 green and 33 blue on a 0 to 255 scale.

What is the complementary color of #CF0021?

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

Is black or white text better on #CF0021?

White text. Black text has a contrast ratio of 3.68:1 and white text 5.71:1. WCAG asks for at least 4.5:1 for normal text.

#CF0021 color

#CF0021 rgb(207, 0, 33)

Shades of red

The hex color #CF0021 is a vivid red.

In the RGB color model it is made of 81.2% red, 0% green and 12.9% blue (207, 0, 33).

Its hue angle is 350°, with 100% saturation and 41% lightness. For print, the CMYK equivalent is 0% cyan, 100% magenta, 84% yellow and 19% black.

The closest named color is Dangerous Affair (#D00220), a difference of 0.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.71:1).

#CF0021 color codes

HEX	`#CF0021`
RGB	`rgb(207, 0, 33)`
RGB percent	`rgb(81.2%, 0%, 12.9%)`
HSL	`hsl(350, 100%, 41%)`
HSV / HSB	`hsv(350, 100%, 81%)`
CMYK	`cmyk(0%, 100%, 84%, 19%)`
CIE LAB	`lab(43.33, 68.88, 44.32)`
CIE LCH	`lch(43.33, 81.91, 32.76)`
CIE XYZ	`xyz(26.01, 13.38, 2.652)`
Decimal	`13565985`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #CF0021, 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 #CF0021	Ratio	AA	AAA	AA large
Sample text	3.68:1	Fail	Fail	Pass
Sample text	5.71:1	Pass	Fail	Pass

#CF0021 as text on	Ratio	AA	AAA	AA large
Sample text	5.71:1	Pass	Fail	Pass
Sample text	3.68:1	Fail	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 #CF0021 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #cf0021; }
.text { color: #cf0021; }
.border { border: 2px solid #cf0021; }
.transparent { background-color: rgb(207 0 33 / 50%); }
.gradient { background: linear-gradient(to right, #cf0021, #cf4600); }

Background

Text color

Border

Similar colors

Closest common color name: Fire Engine Red.

Questions

What color is #CF0021?: #CF0021 is a vivid red, closest to the named color Dangerous Affair. It belongs to the red family of colors.
What is the RGB value of #CF0021?: The RGB value is 207, 0, 33: 207 red, 0 green and 33 blue on a 0 to 255 scale.
What is the complementary color of #CF0021?: The complementary color is #00CFAE, found by rotating the hue 180° on the color wheel.
Is black or white text better on #CF0021?: White text. Black text has a contrast ratio of 3.68:1 and white text 5.71:1. WCAG asks for at least 4.5:1 for normal text.