What color is #182B28?

#182B28 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 #182B28?

The RGB value is 24, 43, 40: 24 red, 43 green and 40 blue on a 0 to 255 scale.

What is the complementary color of #182B28?

The complementary color is #2B181B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #182B28?

White text. Black text has a contrast ratio of 1.42:1 and white text 14.84:1. WCAG asks for at least 4.5:1 for normal text.

#182B28 color

#182B28 rgb(24, 43, 40)

Shades of black

The hex color #182B28 is a very dark, desaturated spring green.

In the RGB color model it is made of 9.4% red, 16.9% green and 15.7% blue (24, 43, 40).

Its hue angle is 171°, with 28% saturation and 13% lightness. For print, the CMYK equivalent is 44% cyan, 0% magenta, 7% yellow and 83% black.

The closest named color is Swamp Thing (#162825), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 14.84:1).

#182B28 color codes

HEX	`#182B28`
RGB	`rgb(24, 43, 40)`
RGB percent	`rgb(9.4%, 16.9%, 15.7%)`
HSL	`hsl(171, 28%, 13%)`
HSV / HSB	`hsv(171, 44%, 17%)`
CMYK	`cmyk(44%, 0%, 7%, 83%)`
CIE LAB	`lab(15.88, -8.63, -0.5)`
CIE LCH	`lch(15.88, 8.65, 183.34)`
CIE XYZ	`xyz(1.623, 2.075, 2.322)`
Decimal	`1583912`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #182B28, 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 #182B28	Ratio	AA	AAA	AA large
Sample text	1.42:1	Fail	Fail	Fail
Sample text	14.84:1	Pass	Pass	Pass

#182B28 as text on	Ratio	AA	AAA	AA large
Sample text	14.84:1	Pass	Pass	Pass
Sample text	1.42:1	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 #182B28 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #182b28; }
.text { color: #182b28; }
.border { border: 2px solid #182b28; }
.transparent { background-color: rgb(24 43 40 / 50%); }
.gradient { background: linear-gradient(to right, #182b28, #18252b); }

Background

Text color

Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #182B28?: #182B28 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 #182B28?: The RGB value is 24, 43, 40: 24 red, 43 green and 40 blue on a 0 to 255 scale.
What is the complementary color of #182B28?: The complementary color is #2B181B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #182B28?: White text. Black text has a contrast ratio of 1.42:1 and white text 14.84:1. WCAG asks for at least 4.5:1 for normal text.