What color is #00011B?

#00011B is a very dark, vivid blue, closest to the named color Void. It belongs to the black family of colors.

What is the RGB value of #00011B?

The RGB value is 0, 1, 27: 0 red, 1 green and 27 blue on a 0 to 255 scale.

What is the complementary color of #00011B?

The complementary color is #1B1A00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #00011B?

White text. Black text has a contrast ratio of 1.02:1 and white text 20.58:1. WCAG asks for at least 4.5:1 for normal text.

#00011B color

#00011B rgb(0, 1, 27)

Shades of black

The hex color #00011B is a very dark, vivid blue.

In the RGB color model it is made of 0% red, 0.4% green and 10.6% blue (0, 1, 27).

Its hue angle is 238°, with 100% saturation and 5% lightness. For print, the CMYK equivalent is 100% cyan, 96% magenta, 0% yellow and 89% black.

The closest named color is Void (#050D25), a difference of 2.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 20.58:1).

#00011B color codes

HEX	`#00011B`
RGB	`rgb(0, 1, 27)`
RGB percent	`rgb(0%, 0.4%, 10.6%)`
HSL	`hsl(238, 100%, 5%)`
HSV / HSB	`hsv(238, 100%, 11%)`
CMYK	`cmyk(100%, 96%, 0%, 89%)`
CIE LAB	`lab(0.91, 4.62, -13.35)`
CIE LCH	`lch(0.91, 14.13, 289.09)`
CIE XYZ	`xyz(0.209, 0.101, 1.045)`
Decimal	`283`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #00011B, 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 #00011B	Ratio	AA	AAA	AA large
Sample text	1.02:1	Fail	Fail	Fail
Sample text	20.58:1	Pass	Pass	Pass

#00011B as text on	Ratio	AA	AAA	AA large
Sample text	20.58:1	Pass	Pass	Pass
Sample text	1.02:1	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 #00011B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #00011b; }
.text { color: #00011b; }
.border { border: 2px solid #00011b; }
.transparent { background-color: rgb(0 1 27 / 50%); }
.gradient { background: linear-gradient(to right, #00011b, #0d001b); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #00011B?: #00011B is a very dark, vivid blue, closest to the named color Void. It belongs to the black family of colors.
What is the RGB value of #00011B?: The RGB value is 0, 1, 27: 0 red, 1 green and 27 blue on a 0 to 255 scale.
What is the complementary color of #00011B?: The complementary color is #1B1A00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #00011B?: White text. Black text has a contrast ratio of 1.02:1 and white text 20.58:1. WCAG asks for at least 4.5:1 for normal text.