What color is #171D2D?

#171D2D is a very dark, desaturated blue, closest to the named color Moonless Mystery. It belongs to the black family of colors.

What is the RGB value of #171D2D?

The RGB value is 23, 29, 45: 23 red, 29 green and 45 blue on a 0 to 255 scale.

What is the complementary color of #171D2D?

The complementary color is #2D2717, found by rotating the hue 180° on the color wheel.

Is black or white text better on #171D2D?

White text. Black text has a contrast ratio of 1.25:1 and white text 16.8:1. WCAG asks for at least 4.5:1 for normal text.

#171D2D color

#171D2D rgb(23, 29, 45)

Shades of black

The hex color #171D2D is a very dark, desaturated blue.

In the RGB color model it is made of 9% red, 11.4% green and 17.6% blue (23, 29, 45).

Its hue angle is 224°, with 32% saturation and 13% lightness. For print, the CMYK equivalent is 49% cyan, 36% magenta, 0% yellow and 82% black.

The closest named color is Moonless Mystery (#1E2433), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.8:1).

#171D2D color codes

HEX	`#171D2D`
RGB	`rgb(23, 29, 45)`
RGB percent	`rgb(9%, 11.4%, 17.6%)`
HSL	`hsl(224, 32%, 13%)`
HSV / HSB	`hsv(224, 49%, 18%)`
CMYK	`cmyk(49%, 36%, 0%, 82%)`
CIE LAB	`lab(10.92, 2.48, -11.59)`
CIE LCH	`lch(10.92, 11.85, 282.08)`
CIE XYZ	`xyz(1.266, 1.25, 2.657)`
Decimal	`1514797`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #171D2D, 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 #171D2D	Ratio	AA	AAA	AA large
Sample text	1.25:1	Fail	Fail	Fail
Sample text	16.8:1	Pass	Pass	Pass

#171D2D as text on	Ratio	AA	AAA	AA large
Sample text	16.8:1	Pass	Pass	Pass
Sample text	1.25:1	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 #171D2D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #171d2d; }
.text { color: #171d2d; }
.border { border: 2px solid #171d2d; }
.transparent { background-color: rgb(23 29 45 / 50%); }
.gradient { background: linear-gradient(to right, #171d2d, #1c172d); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #171D2D?: #171D2D is a very dark, desaturated blue, closest to the named color Moonless Mystery. It belongs to the black family of colors.
What is the RGB value of #171D2D?: The RGB value is 23, 29, 45: 23 red, 29 green and 45 blue on a 0 to 255 scale.
What is the complementary color of #171D2D?: The complementary color is #2D2717, found by rotating the hue 180° on the color wheel.
Is black or white text better on #171D2D?: White text. Black text has a contrast ratio of 1.25:1 and white text 16.8:1. WCAG asks for at least 4.5:1 for normal text.