What color is #181F11?

#181F11 is a very dark, desaturated green, closest to the named color Underworld. It belongs to the black family of colors.

What is the RGB value of #181F11?

The RGB value is 24, 31, 17: 24 red, 31 green and 17 blue on a 0 to 255 scale.

What is the complementary color of #181F11?

The complementary color is #18111F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #181F11?

White text. Black text has a contrast ratio of 1.24:1 and white text 16.9:1. WCAG asks for at least 4.5:1 for normal text.

#181F11 color

#181F11 rgb(24, 31, 17)

Shades of black

The hex color #181F11 is a very dark, desaturated green.

In the RGB color model it is made of 9.4% red, 12.2% green and 6.7% blue (24, 31, 17).

Its hue angle is 90°, with 29% saturation and 9% lightness. For print, the CMYK equivalent is 23% cyan, 0% magenta, 45% yellow and 88% black.

The closest named color is Underworld (#1E231C), a difference of 4.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.9:1).

#181F11 color codes

HEX	`#181F11`
RGB	`rgb(24, 31, 17)`
RGB percent	`rgb(9.4%, 12.2%, 6.7%)`
HSL	`hsl(90, 29%, 9%)`
HSV / HSB	`hsv(90, 45%, 12%)`
CMYK	`cmyk(23%, 0%, 45%, 88%)`
CIE LAB	`lab(10.66, -6.56, 8.18)`
CIE LCH	`lch(10.66, 10.49, 128.73)`
CIE XYZ	`xyz(0.968, 1.215, 0.714)`
Decimal	`1580817`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #181F11, 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 #181F11	Ratio	AA	AAA	AA large
Sample text	1.24:1	Fail	Fail	Fail
Sample text	16.9:1	Pass	Pass	Pass

#181F11 as text on	Ratio	AA	AAA	AA large
Sample text	16.9:1	Pass	Pass	Pass
Sample text	1.24:1	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 #181F11 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #181f11; }
.text { color: #181f11; }
.border { border: 2px solid #181f11; }
.transparent { background-color: rgb(24 31 17 / 50%); }
.gradient { background: linear-gradient(to right, #181f11, #111f11); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #181F11?: #181F11 is a very dark, desaturated green, closest to the named color Underworld. It belongs to the black family of colors.
What is the RGB value of #181F11?: The RGB value is 24, 31, 17: 24 red, 31 green and 17 blue on a 0 to 255 scale.
What is the complementary color of #181F11?: The complementary color is #18111F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #181F11?: White text. Black text has a contrast ratio of 1.24:1 and white text 16.9:1. WCAG asks for at least 4.5:1 for normal text.