What color is #21102B?

#21102B is a very dark, desaturated violet, closest to the named color Dark Prom Queen. It belongs to the black family of colors.

What is the RGB value of #21102B?

The RGB value is 33, 16, 43: 33 red, 16 green and 43 blue on a 0 to 255 scale.

What is the complementary color of #21102B?

The complementary color is #1A2B10, found by rotating the hue 180° on the color wheel.

Is black or white text better on #21102B?

White text. Black text has a contrast ratio of 1.17:1 and white text 17.89:1. WCAG asks for at least 4.5:1 for normal text.

#21102B color

#21102B rgb(33, 16, 43)

Shades of black

The hex color #21102B is a very dark, desaturated violet.

In the RGB color model it is made of 12.9% red, 6.3% green and 16.9% blue (33, 16, 43).

Its hue angle is 278°, with 46% saturation and 12% lightness. For print, the CMYK equivalent is 23% cyan, 63% magenta, 0% yellow and 83% black.

The closest named color is Dark Prom Queen (#2B0F2E), a difference of 3.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.89:1).

#21102B color codes

HEX	`#21102B`
RGB	`rgb(33, 16, 43)`
RGB percent	`rgb(12.9%, 6.3%, 16.9%)`
HSL	`hsl(278, 46%, 12%)`
HSV / HSB	`hsv(278, 63%, 17%)`
CMYK	`cmyk(23%, 63%, 0%, 83%)`
CIE LAB	`lab(7.84, 15.2, -14.86)`
CIE LCH	`lch(7.84, 21.26, 315.64)`
CIE XYZ	`xyz(1.248, 0.868, 2.387)`
Decimal	`2166827`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #21102B, 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 #21102B	Ratio	AA	AAA	AA large
Sample text	1.17:1	Fail	Fail	Fail
Sample text	17.89:1	Pass	Pass	Pass

#21102B as text on	Ratio	AA	AAA	AA large
Sample text	17.89:1	Pass	Pass	Pass
Sample text	1.17:1	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 #21102B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21102b; }
.text { color: #21102b; }
.border { border: 2px solid #21102b; }
.transparent { background-color: rgb(33 16 43 / 50%); }
.gradient { background: linear-gradient(to right, #21102b, #2b1027); }

Background

Text color

Border

Similar colors

Questions

What color is #21102B?: #21102B is a very dark, desaturated violet, closest to the named color Dark Prom Queen. It belongs to the black family of colors.
What is the RGB value of #21102B?: The RGB value is 33, 16, 43: 33 red, 16 green and 43 blue on a 0 to 255 scale.
What is the complementary color of #21102B?: The complementary color is #1A2B10, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21102B?: White text. Black text has a contrast ratio of 1.17:1 and white text 17.89:1. WCAG asks for at least 4.5:1 for normal text.