What color is #1B172D?

#1B172D is a very dark, desaturated violet, closest to the named color Dark Knight. It belongs to the black family of colors.

What is the RGB value of #1B172D?

The RGB value is 27, 23, 45: 27 red, 23 green and 45 blue on a 0 to 255 scale.

What is the complementary color of #1B172D?

The complementary color is #292D17, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B172D?

White text. Black text has a contrast ratio of 1.21:1 and white text 17.4:1. WCAG asks for at least 4.5:1 for normal text.

#1B172D color

#1B172D rgb(27, 23, 45)

Shades of black

The hex color #1B172D is a very dark, desaturated violet.

In the RGB color model it is made of 10.6% red, 9% green and 17.6% blue (27, 23, 45).

Its hue angle is 251°, with 32% saturation and 13% lightness. For print, the CMYK equivalent is 40% cyan, 49% magenta, 0% yellow and 82% black.

The closest named color is Dark Knight (#151931), a difference of 3.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.4:1).

#1B172D color codes

HEX	`#1B172D`
RGB	`rgb(27, 23, 45)`
RGB percent	`rgb(10.6%, 9%, 17.6%)`
HSL	`hsl(251, 32%, 13%)`
HSV / HSB	`hsv(251, 49%, 18%)`
CMYK	`cmyk(40%, 49%, 0%, 82%)`
CIE LAB	`lab(9.28, 8.48, -14.13)`
CIE LCH	`lch(9.28, 16.48, 300.96)`
CIE XYZ	`xyz(1.232, 1.035, 2.617)`
Decimal	`1775405`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B172D, 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 #1B172D	Ratio	AA	AAA	AA large
Sample text	1.21:1	Fail	Fail	Fail
Sample text	17.4:1	Pass	Pass	Pass

#1B172D as text on	Ratio	AA	AAA	AA large
Sample text	17.4:1	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 #1B172D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b172d; }
.text { color: #1b172d; }
.border { border: 2px solid #1b172d; }
.transparent { background-color: rgb(27 23 45 / 50%); }
.gradient { background: linear-gradient(to right, #1b172d, #26172d); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Purple.

Questions

What color is #1B172D?: #1B172D is a very dark, desaturated violet, closest to the named color Dark Knight. It belongs to the black family of colors.
What is the RGB value of #1B172D?: The RGB value is 27, 23, 45: 27 red, 23 green and 45 blue on a 0 to 255 scale.
What is the complementary color of #1B172D?: The complementary color is #292D17, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B172D?: White text. Black text has a contrast ratio of 1.21:1 and white text 17.4:1. WCAG asks for at least 4.5:1 for normal text.