What color is #011B1B?

#011B1B is a very dark, vivid cyan, closest to the named color Swamp Thing. It belongs to the black family of colors.

What is the RGB value of #011B1B?

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

What is the complementary color of #011B1B?

The complementary color is #1B0101, found by rotating the hue 180° on the color wheel.

Is black or white text better on #011B1B?

White text. Black text has a contrast ratio of 1.17:1 and white text 17.89:1. WCAG asks for at least 4.5:1 for normal text.

#011B1B color

#011B1B rgb(1, 27, 27)

Shades of black

The hex color #011B1B is a very dark, vivid cyan.

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

Its hue angle is 180°, with 93% saturation and 5% lightness. For print, the CMYK equivalent is 96% cyan, 0% magenta, 0% yellow and 89% black.

The closest named color is Swamp Thing (#162825), a difference of 4.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.89:1).

#011B1B color codes

HEX	`#011B1B`
RGB	`rgb(1, 27, 27)`
RGB percent	`rgb(0.4%, 10.6%, 10.6%)`
HSL	`hsl(180, 93%, 5%)`
HSV / HSB	`hsv(180, 96%, 11%)`
CMYK	`cmyk(96%, 0%, 0%, 89%)`
CIE LAB	`lab(7.85, -9.18, -3.04)`
CIE LCH	`lch(7.85, 9.67, 198.34)`
CIE XYZ	`xyz(0.602, 0.869, 1.173)`
Decimal	`72475`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #011B1B, 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 #011B1B	Ratio	AA	AAA	AA large
Sample text	1.17:1	Fail	Fail	Fail
Sample text	17.89:1	Pass	Pass	Pass

#011B1B as text on	Ratio	AA	AAA	AA large
Sample text	17.89:1	Pass	Pass	Pass
Sample text	1.17:1	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 #011B1B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #011b1b; }
.text { color: #011b1b; }
.border { border: 2px solid #011b1b; }
.transparent { background-color: rgb(1 27 27 / 50%); }
.gradient { background: linear-gradient(to right, #011b1b, #010e1b); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #011B1B?: #011B1B is a very dark, vivid cyan, closest to the named color Swamp Thing. It belongs to the black family of colors.
What is the RGB value of #011B1B?: The RGB value is 1, 27, 27: 1 red, 27 green and 27 blue on a 0 to 255 scale.
What is the complementary color of #011B1B?: The complementary color is #1B0101, found by rotating the hue 180° on the color wheel.
Is black or white text better on #011B1B?: White text. Black text has a contrast ratio of 1.17:1 and white text 17.89:1. WCAG asks for at least 4.5:1 for normal text.