What color is #21271B?

#21271B is a very dark, grayish green, closest to the named color Underworld. It belongs to the black family of colors.

What is the RGB value of #21271B?

The RGB value is 33, 39, 27: 33 red, 39 green and 27 blue on a 0 to 255 scale.

What is the complementary color of #21271B?

The complementary color is #211B27, found by rotating the hue 180° on the color wheel.

Is black or white text better on #21271B?

White text. Black text has a contrast ratio of 1.37:1 and white text 15.32:1. WCAG asks for at least 4.5:1 for normal text.

#21271B color

#21271B rgb(33, 39, 27)

Shades of black

The hex color #21271B is a very dark, grayish green.

In the RGB color model it is made of 12.9% red, 15.3% green and 10.6% blue (33, 39, 27).

Its hue angle is 90°, with 18% saturation and 13% lightness. For print, the CMYK equivalent is 15% cyan, 0% magenta, 31% yellow and 85% black.

The closest named color is Underworld (#1E231C), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 15.32:1).

#21271B color codes

HEX	`#21271B`
RGB	`rgb(33, 39, 27)`
RGB percent	`rgb(12.9%, 15.3%, 10.6%)`
HSL	`hsl(90, 18%, 13%)`
HSV / HSB	`hsv(90, 31%, 15%)`
CMYK	`cmyk(15%, 0%, 31%, 85%)`
CIE LAB	`lab(14.7, -5.51, 7.07)`
CIE LCH	`lch(14.7, 8.96, 127.96)`
CIE XYZ	`xyz(1.551, 1.853, 1.313)`
Decimal	`2172699`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #21271B, 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 #21271B	Ratio	AA	AAA	AA large
Sample text	1.37:1	Fail	Fail	Fail
Sample text	15.32:1	Pass	Pass	Pass

#21271B as text on	Ratio	AA	AAA	AA large
Sample text	15.32:1	Pass	Pass	Pass
Sample text	1.37:1	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 #21271B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21271b; }
.text { color: #21271b; }
.border { border: 2px solid #21271b; }
.transparent { background-color: rgb(33 39 27 / 50%); }
.gradient { background: linear-gradient(to right, #21271b, #1b271b); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #21271B?: #21271B is a very dark, grayish green, closest to the named color Underworld. It belongs to the black family of colors.
What is the RGB value of #21271B?: The RGB value is 33, 39, 27: 33 red, 39 green and 27 blue on a 0 to 255 scale.
What is the complementary color of #21271B?: The complementary color is #211B27, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21271B?: White text. Black text has a contrast ratio of 1.37:1 and white text 15.32:1. WCAG asks for at least 4.5:1 for normal text.