What color is #A21717?

#A21717 is a dark, moderate red, closest to the named color Heavy Red. It belongs to the red family of colors.

What is the RGB value of #A21717?

The RGB value is 162, 23, 23: 162 red, 23 green and 23 blue on a 0 to 255 scale.

What is the complementary color of #A21717?

The complementary color is #17A2A2, found by rotating the hue 180° on the color wheel.

Is black or white text better on #A21717?

White text. Black text has a contrast ratio of 2.67:1 and white text 7.86:1. WCAG asks for at least 4.5:1 for normal text.

#A21717 color

#A21717 rgb(162, 23, 23)

Shades of red

The hex color #A21717 is a dark, moderate red.

In the RGB color model it is made of 63.5% red, 9% green and 9% blue (162, 23, 23).

Its hue angle is 0°, with 75% saturation and 36% lightness. For print, the CMYK equivalent is 0% cyan, 86% magenta, 86% yellow and 36% black.

The closest named color is Heavy Red (#9E1212), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.86:1).

#A21717 color codes

HEX	`#A21717`
RGB	`rgb(162, 23, 23)`
RGB percent	`rgb(63.5%, 9%, 9%)`
HSL	`hsl(0, 75%, 36%)`
HSV / HSB	`hsv(0, 86%, 64%)`
CMYK	`cmyk(0%, 86%, 86%, 36%)`
CIE LAB	`lab(34.72, 53.75, 38.31)`
CIE LCH	`lch(34.72, 66, 35.48)`
CIE XYZ	`xyz(15.363, 8.359, 1.615)`
Decimal	`10622743`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #A21717, 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 #A21717	Ratio	AA	AAA	AA large
Sample text	2.67:1	Fail	Fail	Fail
Sample text	7.86:1	Pass	Pass	Pass

#A21717 as text on	Ratio	AA	AAA	AA large
Sample text	7.86:1	Pass	Pass	Pass
Sample text	2.67:1	Fail	Fail	Fail

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 #A21717 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #a21717; }
.text { color: #a21717; }
.border { border: 2px solid #a21717; }
.transparent { background-color: rgb(162 23 23 / 50%); }
.gradient { background: linear-gradient(to right, #a21717, #a25d17); }

Background

Text color

Border

Similar colors

Closest common color name: Firebrick.

Questions

What color is #A21717?: #A21717 is a dark, moderate red, closest to the named color Heavy Red. It belongs to the red family of colors.
What is the RGB value of #A21717?: The RGB value is 162, 23, 23: 162 red, 23 green and 23 blue on a 0 to 255 scale.
What is the complementary color of #A21717?: The complementary color is #17A2A2, found by rotating the hue 180° on the color wheel.
Is black or white text better on #A21717?: White text. Black text has a contrast ratio of 2.67:1 and white text 7.86:1. WCAG asks for at least 4.5:1 for normal text.