What color is #21090B?

#21090B is a very dark, moderate red, closest to the named color Dwarf Fortress. It belongs to the black family of colors.

What is the RGB value of #21090B?

The RGB value is 33, 9, 11: 33 red, 9 green and 11 blue on a 0 to 255 scale.

What is the complementary color of #21090B?

The complementary color is #09211F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #21090B?

White text. Black text has a contrast ratio of 1.11:1 and white text 18.94:1. WCAG asks for at least 4.5:1 for normal text.

#21090B color

#21090B rgb(33, 9, 11)

Shades of black

The hex color #21090B is a very dark, moderate red.

In the RGB color model it is made of 12.9% red, 3.5% green and 4.3% blue (33, 9, 11).

Its hue angle is 355°, with 57% saturation and 8% lightness. For print, the CMYK equivalent is 0% cyan, 73% magenta, 67% yellow and 87% black.

The closest named color is Dwarf Fortress (#1D0200), a difference of 2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 18.94:1).

#21090B color codes

HEX	`#21090B`
RGB	`rgb(33, 9, 11)`
RGB percent	`rgb(12.9%, 3.5%, 4.3%)`
HSL	`hsl(355, 57%, 8%)`
HSV / HSB	`hsv(355, 73%, 13%)`
CMYK	`cmyk(0%, 73%, 67%, 87%)`
CIE LAB	`lab(4.9, 11.03, 3.02)`
CIE LCH	`lch(4.9, 11.44, 15.32)`
CIE XYZ	`xyz(0.785, 0.543, 0.38)`
Decimal	`2165003`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #21090B, 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 #21090B	Ratio	AA	AAA	AA large
Sample text	1.11:1	Fail	Fail	Fail
Sample text	18.94:1	Pass	Pass	Pass

#21090B as text on	Ratio	AA	AAA	AA large
Sample text	18.94:1	Pass	Pass	Pass
Sample text	1.11:1	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 #21090B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21090b; }
.text { color: #21090b; }
.border { border: 2px solid #21090b; }
.transparent { background-color: rgb(33 9 11 / 50%); }
.gradient { background: linear-gradient(to right, #21090b, #211309); }

Background

Text color

Border

Similar colors

Closest common color name: Licorice.

Questions

What color is #21090B?: #21090B is a very dark, moderate red, closest to the named color Dwarf Fortress. It belongs to the black family of colors.
What is the RGB value of #21090B?: The RGB value is 33, 9, 11: 33 red, 9 green and 11 blue on a 0 to 255 scale.
What is the complementary color of #21090B?: The complementary color is #09211F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21090B?: White text. Black text has a contrast ratio of 1.11:1 and white text 18.94:1. WCAG asks for at least 4.5:1 for normal text.