What color is #0B1F18?

#0B1F18 is a very dark, desaturated spring green, closest to the named color Swamp Thing. It belongs to the black family of colors.

What is the RGB value of #0B1F18?

The RGB value is 11, 31, 24: 11 red, 31 green and 24 blue on a 0 to 255 scale.

What is the complementary color of #0B1F18?

The complementary color is #1F0B12, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0B1F18?

White text. Black text has a contrast ratio of 1.22:1 and white text 17.17:1. WCAG asks for at least 4.5:1 for normal text.

#0B1F18 color

#0B1F18 rgb(11, 31, 24)

Shades of black

The hex color #0B1F18 is a very dark, desaturated spring green.

In the RGB color model it is made of 4.3% red, 12.2% green and 9.4% blue (11, 31, 24).

Its hue angle is 159°, with 48% saturation and 8% lightness. For print, the CMYK equivalent is 65% cyan, 0% magenta, 23% yellow and 88% black.

The closest named color is Swamp Thing (#162825), a difference of 4.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.17:1).

#0B1F18 color codes

HEX	`#0B1F18`
RGB	`rgb(11, 31, 24)`
RGB percent	`rgb(4.3%, 12.2%, 9.4%)`
HSL	`hsl(159, 48%, 8%)`
HSV / HSB	`hsv(159, 65%, 12%)`
CMYK	`cmyk(65%, 0%, 23%, 88%)`
CIE LAB	`lab(9.93, -10.33, 2.3)`
CIE LCH	`lch(9.93, 10.58, 167.43)`
CIE XYZ	`xyz(0.793, 1.117, 1.038)`
Decimal	`728856`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0B1F18, 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 #0B1F18	Ratio	AA	AAA	AA large
Sample text	1.22:1	Fail	Fail	Fail
Sample text	17.17:1	Pass	Pass	Pass

#0B1F18 as text on	Ratio	AA	AAA	AA large
Sample text	17.17:1	Pass	Pass	Pass
Sample text	1.22:1	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 #0B1F18 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0b1f18; }
.text { color: #0b1f18; }
.border { border: 2px solid #0b1f18; }
.transparent { background-color: rgb(11 31 24 / 50%); }
.gradient { background: linear-gradient(to right, #0b1f18, #0b1c1f); }

Background

Text color

Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #0B1F18?: #0B1F18 is a very dark, desaturated spring green, closest to the named color Swamp Thing. It belongs to the black family of colors.
What is the RGB value of #0B1F18?: The RGB value is 11, 31, 24: 11 red, 31 green and 24 blue on a 0 to 255 scale.
What is the complementary color of #0B1F18?: The complementary color is #1F0B12, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0B1F18?: White text. Black text has a contrast ratio of 1.22:1 and white text 17.17:1. WCAG asks for at least 4.5:1 for normal text.