What color is #1F211B?

#1F211B is a very dark, grayish yellow-green, closest to the named color Underworld. It belongs to the black family of colors.

What is the RGB value of #1F211B?

The RGB value is 31, 33, 27: 31 red, 33 green and 27 blue on a 0 to 255 scale.

What is the complementary color of #1F211B?

The complementary color is #1D1B21, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F211B?

White text. Black text has a contrast ratio of 1.29:1 and white text 16.26:1. WCAG asks for at least 4.5:1 for normal text.

#1F211B color

#1F211B rgb(31, 33, 27)

Shades of black

The hex color #1F211B is a very dark, grayish yellow-green.

In the RGB color model it is made of 12.2% red, 12.9% green and 10.6% blue (31, 33, 27).

Its hue angle is 80°, with 10% saturation and 12% lightness. For print, the CMYK equivalent is 6% cyan, 0% magenta, 18% yellow and 87% black.

The closest named color is Underworld (#1E231C), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.26:1).

#1F211B color codes

HEX	`#1F211B`
RGB	`rgb(31, 33, 27)`
RGB percent	`rgb(12.2%, 12.9%, 10.6%)`
HSL	`hsl(80, 10%, 12%)`
HSV / HSB	`hsv(80, 18%, 13%)`
CMYK	`cmyk(6%, 0%, 18%, 87%)`
CIE LAB	`lab(12.34, -2.37, 3.75)`
CIE LCH	`lch(12.34, 4.44, 122.31)`
CIE XYZ	`xyz(1.307, 1.458, 1.249)`
Decimal	`2040091`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F211B, 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 #1F211B	Ratio	AA	AAA	AA large
Sample text	1.29:1	Fail	Fail	Fail
Sample text	16.26:1	Pass	Pass	Pass

#1F211B as text on	Ratio	AA	AAA	AA large
Sample text	16.26:1	Pass	Pass	Pass
Sample text	1.29:1	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 #1F211B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f211b; }
.text { color: #1f211b; }
.border { border: 2px solid #1f211b; }
.transparent { background-color: rgb(31 33 27 / 50%); }
.gradient { background: linear-gradient(to right, #1f211b, #1c211b); }

Background

Text color

Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #1F211B?: #1F211B is a very dark, grayish yellow-green, closest to the named color Underworld. It belongs to the black family of colors.
What is the RGB value of #1F211B?: The RGB value is 31, 33, 27: 31 red, 33 green and 27 blue on a 0 to 255 scale.
What is the complementary color of #1F211B?: The complementary color is #1D1B21, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F211B?: White text. Black text has a contrast ratio of 1.29:1 and white text 16.26:1. WCAG asks for at least 4.5:1 for normal text.