What color is #231A18?

#231A18 is a very dark, grayish red, closest to the named color Dark Orchestra. It belongs to the black family of colors.

What is the RGB value of #231A18?

The RGB value is 35, 26, 24: 35 red, 26 green and 24 blue on a 0 to 255 scale.

What is the complementary color of #231A18?

The complementary color is #182123, found by rotating the hue 180° on the color wheel.

Is black or white text better on #231A18?

White text. Black text has a contrast ratio of 1.23:1 and white text 17.04:1. WCAG asks for at least 4.5:1 for normal text.

#231A18 color

#231A18 rgb(35, 26, 24)

Shades of black

The hex color #231A18 is a very dark, grayish red.

In the RGB color model it is made of 13.7% red, 10.2% green and 9.4% blue (35, 26, 24).

Its hue angle is 11°, with 19% saturation and 12% lightness. For print, the CMYK equivalent is 0% cyan, 26% magenta, 31% yellow and 86% black.

The closest named color is Dark Orchestra (#251B19), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 17.04:1).

#231A18 color codes

HEX	`#231A18`
RGB	`rgb(35, 26, 24)`
RGB percent	`rgb(13.7%, 10.2%, 9.4%)`
HSL	`hsl(11, 19%, 12%)`
HSV / HSB	`hsv(11, 31%, 14%)`
CMYK	`cmyk(0%, 26%, 31%, 86%)`
CIE LAB	`lab(10.27, 4.05, 3.09)`
CIE LCH	`lch(10.27, 5.1, 37.33)`
CIE XYZ	`xyz(1.227, 1.162, 1.024)`
Decimal	`2300440`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #231A18, 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 #231A18	Ratio	AA	AAA	AA large
Sample text	1.23:1	Fail	Fail	Fail
Sample text	17.04:1	Pass	Pass	Pass

#231A18 as text on	Ratio	AA	AAA	AA large
Sample text	17.04:1	Pass	Pass	Pass
Sample text	1.23:1	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 #231A18 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #231a18; }
.text { color: #231a18; }
.border { border: 2px solid #231a18; }
.transparent { background-color: rgb(35 26 24 / 50%); }
.gradient { background: linear-gradient(to right, #231a18, #231f18); }

Background

Text color

Border

Similar colors

Questions

What color is #231A18?: #231A18 is a very dark, grayish red, closest to the named color Dark Orchestra. It belongs to the black family of colors.
What is the RGB value of #231A18?: The RGB value is 35, 26, 24: 35 red, 26 green and 24 blue on a 0 to 255 scale.
What is the complementary color of #231A18?: The complementary color is #182123, found by rotating the hue 180° on the color wheel.
Is black or white text better on #231A18?: White text. Black text has a contrast ratio of 1.23:1 and white text 17.04:1. WCAG asks for at least 4.5:1 for normal text.