What color is #1D312C?

#1D312C 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 #1D312C?

The RGB value is 29, 49, 44: 29 red, 49 green and 44 blue on a 0 to 255 scale.

What is the complementary color of #1D312C?

The complementary color is #311D22, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1D312C?

White text. Black text has a contrast ratio of 1.53:1 and white text 13.74:1. WCAG asks for at least 4.5:1 for normal text.

#1D312C color

#1D312C rgb(29, 49, 44)

Shades of black

The hex color #1D312C is a very dark, desaturated spring green.

In the RGB color model it is made of 11.4% red, 19.2% green and 17.3% blue (29, 49, 44).

Its hue angle is 165°, with 26% saturation and 15% lightness. For print, the CMYK equivalent is 41% cyan, 0% magenta, 10% yellow and 81% black.

The closest named color is Swamp Thing (#162825), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.74:1).

#1D312C color codes

HEX	`#1D312C`
RGB	`rgb(29, 49, 44)`
RGB percent	`rgb(11.4%, 19.2%, 17.3%)`
HSL	`hsl(165, 26%, 15%)`
HSV / HSB	`hsv(165, 41%, 19%)`
CMYK	`cmyk(41%, 0%, 10%, 81%)`
CIE LAB	`lab(18.54, -9.48, 0.63)`
CIE LCH	`lch(18.54, 9.5, 176.18)`
CIE XYZ	`xyz(2.059, 2.64, 2.783)`
Decimal	`1913132`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1D312C, 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 #1D312C	Ratio	AA	AAA	AA large
Sample text	1.53:1	Fail	Fail	Fail
Sample text	13.74:1	Pass	Pass	Pass

#1D312C as text on	Ratio	AA	AAA	AA large
Sample text	13.74:1	Pass	Pass	Pass
Sample text	1.53:1	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 #1D312C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1d312c; }
.text { color: #1d312c; }
.border { border: 2px solid #1d312c; }
.transparent { background-color: rgb(29 49 44 / 50%); }
.gradient { background: linear-gradient(to right, #1d312c, #1d2c31); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #1D312C?: #1D312C 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 #1D312C?: The RGB value is 29, 49, 44: 29 red, 49 green and 44 blue on a 0 to 255 scale.
What is the complementary color of #1D312C?: The complementary color is #311D22, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1D312C?: White text. Black text has a contrast ratio of 1.53:1 and white text 13.74:1. WCAG asks for at least 4.5:1 for normal text.