What color is #231B1F?

#231B1F is a very dark, grayish rose, closest to the named color Night Demons. It belongs to the black family of colors.

What is the RGB value of #231B1F?

The RGB value is 35, 27, 31: 35 red, 27 green and 31 blue on a 0 to 255 scale.

What is the complementary color of #231B1F?

The complementary color is #1B231F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #231B1F?

White text. Black text has a contrast ratio of 1.25:1 and white text 16.83:1. WCAG asks for at least 4.5:1 for normal text.

#231B1F color

#231B1F rgb(35, 27, 31)

Shades of black

The hex color #231B1F is a very dark, grayish rose.

In the RGB color model it is made of 13.7% red, 10.6% green and 12.2% blue (35, 27, 31).

Its hue angle is 330°, with 13% saturation and 12% lightness. For print, the CMYK equivalent is 0% cyan, 23% magenta, 11% yellow and 86% black.

The closest named color is Night Demons (#201B20), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.83:1).

#231B1F color codes

HEX	`#231B1F`
RGB	`rgb(35, 27, 31)`
RGB percent	`rgb(13.7%, 10.6%, 12.2%)`
HSL	`hsl(330, 13%, 12%)`
HSV / HSB	`hsv(330, 23%, 14%)`
CMYK	`cmyk(0%, 23%, 11%, 86%)`
CIE LAB	`lab(10.85, 4.82, -1.28)`
CIE LCH	`lch(10.85, 4.99, 345.17)`
CIE XYZ	`xyz(1.332, 1.24, 1.465)`
Decimal	`2300703`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #231B1F, 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 #231B1F	Ratio	AA	AAA	AA large
Sample text	1.25:1	Fail	Fail	Fail
Sample text	16.83:1	Pass	Pass	Pass

#231B1F as text on	Ratio	AA	AAA	AA large
Sample text	16.83:1	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 #231B1F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #231b1f; }
.text { color: #231b1f; }
.border { border: 2px solid #231b1f; }
.transparent { background-color: rgb(35 27 31 / 50%); }
.gradient { background: linear-gradient(to right, #231b1f, #231b1b); }

Background

Text color

Border

Similar colors

Questions

What color is #231B1F?: #231B1F is a very dark, grayish rose, closest to the named color Night Demons. It belongs to the black family of colors.
What is the RGB value of #231B1F?: The RGB value is 35, 27, 31: 35 red, 27 green and 31 blue on a 0 to 255 scale.
What is the complementary color of #231B1F?: The complementary color is #1B231F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #231B1F?: White text. Black text has a contrast ratio of 1.25:1 and white text 16.83:1. WCAG asks for at least 4.5:1 for normal text.