What color is #1B1721?

#1B1721 is a very dark, grayish violet, closest to the named color Violet Void. It belongs to the black family of colors.

What is the RGB value of #1B1721?

The RGB value is 27, 23, 33: 27 red, 23 green and 33 blue on a 0 to 255 scale.

What is the complementary color of #1B1721?

The complementary color is #1D2117, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B1721?

White text. Black text has a contrast ratio of 1.19:1 and white text 17.63:1. WCAG asks for at least 4.5:1 for normal text.

#1B1721 color

#1B1721 rgb(27, 23, 33)

Shades of black

The hex color #1B1721 is a very dark, grayish violet.

In the RGB color model it is made of 10.6% red, 9% green and 12.9% blue (27, 23, 33).

Its hue angle is 264°, with 18% saturation and 11% lightness. For print, the CMYK equivalent is 18% cyan, 30% magenta, 0% yellow and 87% black.

The closest named color is Violet Void (#1A161D), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 17.63:1).

#1B1721 color codes

HEX	`#1B1721`
RGB	`rgb(27, 23, 33)`
RGB percent	`rgb(10.6%, 9%, 12.9%)`
HSL	`hsl(264, 18%, 11%)`
HSV / HSB	`hsv(264, 30%, 13%)`
CMYK	`cmyk(18%, 30%, 0%, 87%)`
CIE LAB	`lab(8.62, 4.64, -6.22)`
CIE LCH	`lch(8.62, 7.77, 306.73)`
CIE XYZ	`xyz(1.033, 0.956, 1.569)`
Decimal	`1775393`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B1721, 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 #1B1721	Ratio	AA	AAA	AA large
Sample text	1.19:1	Fail	Fail	Fail
Sample text	17.63:1	Pass	Pass	Pass

#1B1721 as text on	Ratio	AA	AAA	AA large
Sample text	17.63:1	Pass	Pass	Pass
Sample text	1.19:1	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 #1B1721 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b1721; }
.text { color: #1b1721; }
.border { border: 2px solid #1b1721; }
.transparent { background-color: rgb(27 23 33 / 50%); }
.gradient { background: linear-gradient(to right, #1b1721, #201721); }

Background

Text color

Border

Similar colors

Closest common color name: Licorice.

Questions

What color is #1B1721?: #1B1721 is a very dark, grayish violet, closest to the named color Violet Void. It belongs to the black family of colors.
What is the RGB value of #1B1721?: The RGB value is 27, 23, 33: 27 red, 23 green and 33 blue on a 0 to 255 scale.
What is the complementary color of #1B1721?: The complementary color is #1D2117, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B1721?: White text. Black text has a contrast ratio of 1.19:1 and white text 17.63:1. WCAG asks for at least 4.5:1 for normal text.