What color is #171C11?

#171C11 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 #171C11?

The RGB value is 23, 28, 17: 23 red, 28 green and 17 blue on a 0 to 255 scale.

What is the complementary color of #171C11?

The complementary color is #16111C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #171C11?

White text. Black text has a contrast ratio of 1.21:1 and white text 17.35:1. WCAG asks for at least 4.5:1 for normal text.

#171C11 color

#171C11 rgb(23, 28, 17)

Shades of black

The hex color #171C11 is a very dark, grayish yellow-green.

In the RGB color model it is made of 9% red, 11% green and 6.7% blue (23, 28, 17).

Its hue angle is 87°, with 24% saturation and 9% lightness. For print, the CMYK equivalent is 18% cyan, 0% magenta, 39% yellow and 89% black.

The closest named color is Underworld (#1E231C), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.35:1).

#171C11 color codes

HEX	`#171C11`
RGB	`rgb(23, 28, 17)`
RGB percent	`rgb(9%, 11%, 6.7%)`
HSL	`hsl(87, 24%, 9%)`
HSV / HSB	`hsv(87, 39%, 11%)`
CMYK	`cmyk(18%, 0%, 39%, 89%)`
CIE LAB	`lab(9.43, -5.01, 6.42)`
CIE LCH	`lch(9.43, 8.14, 128.01)`
CIE XYZ	`xyz(0.87, 1.053, 0.688)`
Decimal	`1514513`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #171C11, 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 #171C11	Ratio	AA	AAA	AA large
Sample text	1.21:1	Fail	Fail	Fail
Sample text	17.35:1	Pass	Pass	Pass

#171C11 as text on	Ratio	AA	AAA	AA large
Sample text	17.35:1	Pass	Pass	Pass
Sample text	1.21:1	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 #171C11 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #171c11; }
.text { color: #171c11; }
.border { border: 2px solid #171c11; }
.transparent { background-color: rgb(23 28 17 / 50%); }
.gradient { background: linear-gradient(to right, #171c11, #121c11); }

Background

Text color

Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #171C11?: #171C11 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 #171C11?: The RGB value is 23, 28, 17: 23 red, 28 green and 17 blue on a 0 to 255 scale.
What is the complementary color of #171C11?: The complementary color is #16111C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #171C11?: White text. Black text has a contrast ratio of 1.21:1 and white text 17.35:1. WCAG asks for at least 4.5:1 for normal text.