What color is #1B371B?

#1B371B is a very dark, desaturated green, closest to the named color Dark Serpent. It belongs to the green family of colors.

What is the RGB value of #1B371B?

The RGB value is 27, 55, 27: 27 red, 55 green and 27 blue on a 0 to 255 scale.

What is the complementary color of #1B371B?

The complementary color is #371B37, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B371B?

White text. Black text has a contrast ratio of 1.61:1 and white text 13.05:1. WCAG asks for at least 4.5:1 for normal text.

#1B371B color

#1B371B rgb(27, 55, 27)

Shades of green

The hex color #1B371B is a very dark, desaturated green.

In the RGB color model it is made of 10.6% red, 21.6% green and 10.6% blue (27, 55, 27).

Its hue angle is 120°, with 34% saturation and 16% lightness. For print, the CMYK equivalent is 51% cyan, 0% magenta, 51% yellow and 78% black.

The closest named color is Dark Serpent (#113311), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.05:1).

#1B371B color codes

HEX	`#1B371B`
RGB	`rgb(27, 55, 27)`
RGB percent	`rgb(10.6%, 21.6%, 10.6%)`
HSL	`hsl(120, 34%, 16%)`
HSV / HSB	`hsv(120, 51%, 22%)`
CMYK	`cmyk(51%, 0%, 51%, 78%)`
CIE LAB	`lab(20.22, -17.72, 14.31)`
CIE LCH	`lch(20.22, 22.78, 141.07)`
CIE XYZ	`xyz(2.016, 3.044, 1.518)`
Decimal	`1783579`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B371B, 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 #1B371B	Ratio	AA	AAA	AA large
Sample text	1.61:1	Fail	Fail	Fail
Sample text	13.05:1	Pass	Pass	Pass

#1B371B as text on	Ratio	AA	AAA	AA large
Sample text	13.05:1	Pass	Pass	Pass
Sample text	1.61:1	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 #1B371B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b371b; }
.text { color: #1b371b; }
.border { border: 2px solid #1b371b; }
.transparent { background-color: rgb(27 55 27 / 50%); }
.gradient { background: linear-gradient(to right, #1b371b, #1b3729); }

Background

Text color

Border

Similar colors

Closest common color name: British Racing Green.

Questions

What color is #1B371B?: #1B371B is a very dark, desaturated green, closest to the named color Dark Serpent. It belongs to the green family of colors.
What is the RGB value of #1B371B?: The RGB value is 27, 55, 27: 27 red, 55 green and 27 blue on a 0 to 255 scale.
What is the complementary color of #1B371B?: The complementary color is #371B37, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B371B?: White text. Black text has a contrast ratio of 1.61:1 and white text 13.05:1. WCAG asks for at least 4.5:1 for normal text.