What color is #0B180B?

#0B180B is a very dark, desaturated green, closest to the named color Cosmic Bit Flip. It belongs to the black family of colors.

What is the RGB value of #0B180B?

The RGB value is 11, 24, 11: 11 red, 24 green and 11 blue on a 0 to 255 scale.

What is the complementary color of #0B180B?

The complementary color is #180B18, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0B180B?

White text. Black text has a contrast ratio of 1.15:1 and white text 18.27:1. WCAG asks for at least 4.5:1 for normal text.

#0B180B color

#0B180B rgb(11, 24, 11)

Shades of black

The hex color #0B180B is a very dark, desaturated green.

In the RGB color model it is made of 4.3% red, 9.4% green and 4.3% blue (11, 24, 11).

Its hue angle is 120°, with 37% saturation and 7% lightness. For print, the CMYK equivalent is 54% cyan, 0% magenta, 54% yellow and 91% black.

The closest named color is Cosmic Bit Flip (#001000), a difference of 2.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 18.27:1).

#0B180B color codes

HEX	`#0B180B`
RGB	`rgb(11, 24, 11)`
RGB percent	`rgb(4.3%, 9.4%, 4.3%)`
HSL	`hsl(120, 37%, 7%)`
HSV / HSB	`hsv(120, 54%, 9%)`
CMYK	`cmyk(54%, 0%, 54%, 91%)`
CIE LAB	`lab(6.76, -7.64, 5.46)`
CIE LCH	`lch(6.76, 9.39, 144.44)`
CIE XYZ	`xyz(0.525, 0.749, 0.433)`
Decimal	`727051`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0B180B, 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 #0B180B	Ratio	AA	AAA	AA large
Sample text	1.15:1	Fail	Fail	Fail
Sample text	18.27:1	Pass	Pass	Pass

#0B180B as text on	Ratio	AA	AAA	AA large
Sample text	18.27:1	Pass	Pass	Pass
Sample text	1.15:1	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 #0B180B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0b180b; }
.text { color: #0b180b; }
.border { border: 2px solid #0b180b; }
.transparent { background-color: rgb(11 24 11 / 50%); }
.gradient { background: linear-gradient(to right, #0b180b, #0b1812); }

Background

Text color

Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #0B180B?: #0B180B is a very dark, desaturated green, closest to the named color Cosmic Bit Flip. It belongs to the black family of colors.
What is the RGB value of #0B180B?: The RGB value is 11, 24, 11: 11 red, 24 green and 11 blue on a 0 to 255 scale.
What is the complementary color of #0B180B?: The complementary color is #180B18, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0B180B?: White text. Black text has a contrast ratio of 1.15:1 and white text 18.27:1. WCAG asks for at least 4.5:1 for normal text.