What color is #181631?

#181631 is a very dark, desaturated blue, closest to the named color Dark Knight. It belongs to the black family of colors.

What is the RGB value of #181631?

The RGB value is 24, 22, 49: 24 red, 22 green and 49 blue on a 0 to 255 scale.

What is the complementary color of #181631?

The complementary color is #2F3116, found by rotating the hue 180° on the color wheel.

Is black or white text better on #181631?

White text. Black text has a contrast ratio of 1.2:1 and white text 17.53:1. WCAG asks for at least 4.5:1 for normal text.

#181631 color

#181631 rgb(24, 22, 49)

Shades of black

The hex color #181631 is a very dark, desaturated blue.

In the RGB color model it is made of 9.4% red, 8.6% green and 19.2% blue (24, 22, 49).

Its hue angle is 244°, with 38% saturation and 14% lightness. For print, the CMYK equivalent is 51% cyan, 55% magenta, 0% yellow and 81% black.

The closest named color is Dark Knight (#151931), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.53:1).

#181631 color codes

HEX	`#181631`
RGB	`rgb(24, 22, 49)`
RGB percent	`rgb(9.4%, 8.6%, 19.2%)`
HSL	`hsl(244, 38%, 14%)`
HSV / HSB	`hsv(244, 55%, 19%)`
CMYK	`cmyk(51%, 55%, 0%, 81%)`
CIE LAB	`lab(8.91, 9.65, -17.68)`
CIE LCH	`lch(8.91, 20.14, 298.62)`
CIE XYZ	`xyz(1.218, 0.99, 3.032)`
Decimal	`1578545`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #181631, 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 #181631	Ratio	AA	AAA	AA large
Sample text	1.2:1	Fail	Fail	Fail
Sample text	17.53:1	Pass	Pass	Pass

#181631 as text on	Ratio	AA	AAA	AA large
Sample text	17.53:1	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 #181631 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #181631; }
.text { color: #181631; }
.border { border: 2px solid #181631; }
.transparent { background-color: rgb(24 22 49 / 50%); }
.gradient { background: linear-gradient(to right, #181631, #261631); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Purple.

Questions

What color is #181631?: #181631 is a very dark, desaturated blue, closest to the named color Dark Knight. It belongs to the black family of colors.
What is the RGB value of #181631?: The RGB value is 24, 22, 49: 24 red, 22 green and 49 blue on a 0 to 255 scale.
What is the complementary color of #181631?: The complementary color is #2F3116, found by rotating the hue 180° on the color wheel.
Is black or white text better on #181631?: White text. Black text has a contrast ratio of 1.2:1 and white text 17.53:1. WCAG asks for at least 4.5:1 for normal text.