What color is #1B2115?

#1B2115 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 #1B2115?

The RGB value is 27, 33, 21: 27 red, 33 green and 21 blue on a 0 to 255 scale.

What is the complementary color of #1B2115?

The complementary color is #1B1521, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B2115?

White text. Black text has a contrast ratio of 1.27:1 and white text 16.47:1. WCAG asks for at least 4.5:1 for normal text.

#1B2115 color

#1B2115 rgb(27, 33, 21)

Shades of black

The hex color #1B2115 is a very dark, grayish green.

In the RGB color model it is made of 10.6% red, 12.9% green and 8.2% blue (27, 33, 21).

Its hue angle is 90°, with 22% saturation and 11% lightness. For print, the CMYK equivalent is 18% cyan, 0% magenta, 36% yellow and 87% 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 16.47:1).

#1B2115 color codes

HEX	`#1B2115`
RGB	`rgb(27, 33, 21)`
RGB percent	`rgb(10.6%, 12.9%, 8.2%)`
HSL	`hsl(90, 22%, 11%)`
HSV / HSB	`hsv(90, 36%, 13%)`
CMYK	`cmyk(18%, 0%, 36%, 87%)`
CIE LAB	`lab(11.79, -5.62, 7.24)`
CIE LCH	`lch(11.79, 9.17, 127.85)`
CIE XYZ	`xyz(1.131, 1.375, 0.915)`
Decimal	`1777941`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B2115, 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 #1B2115	Ratio	AA	AAA	AA large
Sample text	1.27:1	Fail	Fail	Fail
Sample text	16.47:1	Pass	Pass	Pass

#1B2115 as text on	Ratio	AA	AAA	AA large
Sample text	16.47:1	Pass	Pass	Pass
Sample text	1.27:1	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 #1B2115 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b2115; }
.text { color: #1b2115; }
.border { border: 2px solid #1b2115; }
.transparent { background-color: rgb(27 33 21 / 50%); }
.gradient { background: linear-gradient(to right, #1b2115, #152115); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #1B2115?: #1B2115 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 #1B2115?: The RGB value is 27, 33, 21: 27 red, 33 green and 21 blue on a 0 to 255 scale.
What is the complementary color of #1B2115?: The complementary color is #1B1521, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B2115?: White text. Black text has a contrast ratio of 1.27:1 and white text 16.47:1. WCAG asks for at least 4.5:1 for normal text.