What color is #171B13?

#171B13 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 #171B13?

The RGB value is 23, 27, 19: 23 red, 27 green and 19 blue on a 0 to 255 scale.

What is the complementary color of #171B13?

The complementary color is #17131B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #171B13?

White text. Black text has a contrast ratio of 1.2:1 and white text 17.46:1. WCAG asks for at least 4.5:1 for normal text.

#171B13 color

#171B13 rgb(23, 27, 19)

Shades of black

The hex color #171B13 is a very dark, grayish green.

In the RGB color model it is made of 9% red, 10.6% green and 7.5% blue (23, 27, 19).

Its hue angle is 90°, with 17% saturation and 9% lightness. For print, the CMYK equivalent is 15% cyan, 0% magenta, 30% yellow and 89% black.

The closest named color is Underworld (#1E231C), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.46:1).

#171B13 color codes

HEX	`#171B13`
RGB	`rgb(23, 27, 19)`
RGB percent	`rgb(9%, 10.6%, 7.5%)`
HSL	`hsl(90, 17%, 9%)`
HSV / HSB	`hsv(90, 30%, 11%)`
CMYK	`cmyk(15%, 0%, 30%, 89%)`
CIE LAB	`lab(9.1, -3.89, 4.73)`
CIE LCH	`lch(9.1, 6.12, 129.39)`
CIE XYZ	`xyz(0.863, 1.013, 0.766)`
Decimal	`1514259`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #171B13, 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 #171B13	Ratio	AA	AAA	AA large
Sample text	1.2:1	Fail	Fail	Fail
Sample text	17.46:1	Pass	Pass	Pass

#171B13 as text on	Ratio	AA	AAA	AA large
Sample text	17.46:1	Pass	Pass	Pass
Sample text	1.2:1	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 #171B13 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #171b13; }
.text { color: #171b13; }
.border { border: 2px solid #171b13; }
.transparent { background-color: rgb(23 27 19 / 50%); }
.gradient { background: linear-gradient(to right, #171b13, #131b13); }

Background

Text color

Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #171B13?: #171B13 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 #171B13?: The RGB value is 23, 27, 19: 23 red, 27 green and 19 blue on a 0 to 255 scale.
What is the complementary color of #171B13?: The complementary color is #17131B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #171B13?: White text. Black text has a contrast ratio of 1.2:1 and white text 17.46:1. WCAG asks for at least 4.5:1 for normal text.