What color is #231B00?

#231B00 is a very dark, vivid yellow, closest to the named color Noir Mystique. It belongs to the black family of colors.

What is the RGB value of #231B00?

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

What is the complementary color of #231B00?

The complementary color is #000823, found by rotating the hue 180° on the color wheel.

Is black or white text better on #231B00?

White text. Black text has a contrast ratio of 1.23:1 and white text 17.1:1. WCAG asks for at least 4.5:1 for normal text.

#231B00 color

#231B00 rgb(35, 27, 0)

Shades of black

The hex color #231B00 is a very dark, vivid yellow.

In the RGB color model it is made of 13.7% red, 10.6% green and 0% blue (35, 27, 0).

Its hue angle is 46°, with 100% saturation and 7% lightness. For print, the CMYK equivalent is 0% cyan, 23% magenta, 100% yellow and 86% black.

The closest named color is Noir Mystique (#1F180A), a difference of 4.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.1:1).

#231B00 color codes

HEX	`#231B00`
RGB	`rgb(35, 27, 0)`
RGB percent	`rgb(13.7%, 10.6%, 0%)`
HSL	`hsl(46, 100%, 7%)`
HSV / HSB	`hsv(46, 100%, 14%)`
CMYK	`cmyk(0%, 23%, 100%, 86%)`
CIE LAB	`lab(10.12, 0.01, 15.11)`
CIE LCH	`lch(10.12, 15.11, 89.95)`
CIE XYZ	`xyz(1.085, 1.141, 0.163)`
Decimal	`2300672`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #231B00, 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 #231B00	Ratio	AA	AAA	AA large
Sample text	1.23:1	Fail	Fail	Fail
Sample text	17.1:1	Pass	Pass	Pass

#231B00 as text on	Ratio	AA	AAA	AA large
Sample text	17.1:1	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 #231B00 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #231b00; }
.text { color: #231b00; }
.border { border: 2px solid #231b00; }
.transparent { background-color: rgb(35 27 0 / 50%); }
.gradient { background: linear-gradient(to right, #231b00, #1a2300); }

Background

Text color

Border

Similar colors

Closest common color name: Raven Black.

Questions

What color is #231B00?: #231B00 is a very dark, vivid yellow, closest to the named color Noir Mystique. It belongs to the black family of colors.
What is the RGB value of #231B00?: The RGB value is 35, 27, 0: 35 red, 27 green and 0 blue on a 0 to 255 scale.
What is the complementary color of #231B00?: The complementary color is #000823, found by rotating the hue 180° on the color wheel.
Is black or white text better on #231B00?: White text. Black text has a contrast ratio of 1.23:1 and white text 17.1:1. WCAG asks for at least 4.5:1 for normal text.