What color is #231B21?

#231B21 is a very dark, grayish magenta, closest to the named color Night Demons. It belongs to the black family of colors.

What is the RGB value of #231B21?

The RGB value is 35, 27, 33: 35 red, 27 green and 33 blue on a 0 to 255 scale.

What is the complementary color of #231B21?

The complementary color is #1B231D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #231B21?

White text. Black text has a contrast ratio of 1.25:1 and white text 16.8:1. WCAG asks for at least 4.5:1 for normal text.

#231B21 color

#231B21 rgb(35, 27, 33)

Shades of black

The hex color #231B21 is a very dark, grayish magenta.

In the RGB color model it is made of 13.7% red, 10.6% green and 12.9% blue (35, 27, 33).

Its hue angle is 315°, with 13% saturation and 12% lightness. For print, the CMYK equivalent is 0% cyan, 23% magenta, 6% yellow and 86% black.

The closest named color is Night Demons (#201B20), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.8:1).

#231B21 color codes

HEX	`#231B21`
RGB	`rgb(35, 27, 33)`
RGB percent	`rgb(13.7%, 10.6%, 12.9%)`
HSL	`hsl(315, 13%, 12%)`
HSV / HSB	`hsv(315, 23%, 14%)`
CMYK	`cmyk(0%, 23%, 6%, 86%)`
CIE LAB	`lab(10.93, 5.3, -2.64)`
CIE LCH	`lch(10.93, 5.92, 333.49)`
CIE XYZ	`xyz(1.36, 1.251, 1.608)`
Decimal	`2300705`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #231B21, 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 #231B21	Ratio	AA	AAA	AA large
Sample text	1.25:1	Fail	Fail	Fail
Sample text	16.8:1	Pass	Pass	Pass

#231B21 as text on	Ratio	AA	AAA	AA large
Sample text	16.8:1	Pass	Pass	Pass
Sample text	1.25:1	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 #231B21 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #231b21; }
.text { color: #231b21; }
.border { border: 2px solid #231b21; }
.transparent { background-color: rgb(35 27 33 / 50%); }
.gradient { background: linear-gradient(to right, #231b21, #231b1d); }

Background

Text color

Border

Similar colors

Closest common color name: Licorice.

Questions

What color is #231B21?: #231B21 is a very dark, grayish magenta, closest to the named color Night Demons. It belongs to the black family of colors.
What is the RGB value of #231B21?: The RGB value is 35, 27, 33: 35 red, 27 green and 33 blue on a 0 to 255 scale.
What is the complementary color of #231B21?: The complementary color is #1B231D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #231B21?: White text. Black text has a contrast ratio of 1.25:1 and white text 16.8:1. WCAG asks for at least 4.5:1 for normal text.