What color is #171F23?

#171F23 is a very dark, grayish azure, closest to the named color Black Pearl. It belongs to the black family of colors.

What is the RGB value of #171F23?

The RGB value is 23, 31, 35: 23 red, 31 green and 35 blue on a 0 to 255 scale.

What is the complementary color of #171F23?

The complementary color is #231B17, found by rotating the hue 180° on the color wheel.

Is black or white text better on #171F23?

White text. Black text has a contrast ratio of 1.26:1 and white text 16.71:1. WCAG asks for at least 4.5:1 for normal text.

#171F23 color

#171F23 rgb(23, 31, 35)

Shades of black

The hex color #171F23 is a very dark, grayish azure.

In the RGB color model it is made of 9% red, 12.2% green and 13.7% blue (23, 31, 35).

Its hue angle is 200°, with 21% saturation and 11% lightness. For print, the CMYK equivalent is 34% cyan, 11% magenta, 0% yellow and 86% black.

The closest named color is Black Pearl (#1E272C), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.71:1).

#171F23 color codes

HEX	`#171F23`
RGB	`rgb(23, 31, 35)`
RGB percent	`rgb(9%, 12.2%, 13.7%)`
HSL	`hsl(200, 21%, 11%)`
HSV / HSB	`hsv(200, 34%, 14%)`
CMYK	`cmyk(34%, 11%, 0%, 86%)`
CIE LAB	`lab(11.16, -2.39, -3.91)`
CIE LCH	`lch(11.16, 4.58, 238.52)`
CIE XYZ	`xyz(1.147, 1.283, 1.777)`
Decimal	`1515299`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #171F23, 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 #171F23	Ratio	AA	AAA	AA large
Sample text	1.26:1	Fail	Fail	Fail
Sample text	16.71:1	Pass	Pass	Pass

#171F23 as text on	Ratio	AA	AAA	AA large
Sample text	16.71:1	Pass	Pass	Pass
Sample text	1.26:1	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 #171F23 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #171f23; }
.text { color: #171f23; }
.border { border: 2px solid #171f23; }
.transparent { background-color: rgb(23 31 35 / 50%); }
.gradient { background: linear-gradient(to right, #171f23, #171923); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #171F23?: #171F23 is a very dark, grayish azure, closest to the named color Black Pearl. It belongs to the black family of colors.
What is the RGB value of #171F23?: The RGB value is 23, 31, 35: 23 red, 31 green and 35 blue on a 0 to 255 scale.
What is the complementary color of #171F23?: The complementary color is #231B17, found by rotating the hue 180° on the color wheel.
Is black or white text better on #171F23?: White text. Black text has a contrast ratio of 1.26:1 and white text 16.71:1. WCAG asks for at least 4.5:1 for normal text.