What color is #181D36?

#181D36 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 #181D36?

The RGB value is 24, 29, 54: 24 red, 29 green and 54 blue on a 0 to 255 scale.

What is the complementary color of #181D36?

The complementary color is #363118, found by rotating the hue 180° on the color wheel.

Is black or white text better on #181D36?

White text. Black text has a contrast ratio of 1.27:1 and white text 16.56:1. WCAG asks for at least 4.5:1 for normal text.

#181D36 color

#181D36 rgb(24, 29, 54)

Shades of black

The hex color #181D36 is a very dark, desaturated blue.

In the RGB color model it is made of 9.4% red, 11.4% green and 21.2% blue (24, 29, 54).

Its hue angle is 230°, with 38% saturation and 15% lightness. For print, the CMYK equivalent is 56% cyan, 46% magenta, 0% yellow and 79% black.

The closest named color is Dark Knight (#151931), a difference of 1.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.56:1).

#181D36 color codes

HEX	`#181D36`
RGB	`rgb(24, 29, 54)`
RGB percent	`rgb(9.4%, 11.4%, 21.2%)`
HSL	`hsl(230, 38%, 15%)`
HSV / HSB	`hsv(230, 56%, 21%)`
CMYK	`cmyk(56%, 46%, 0%, 79%)`
CIE LAB	`lab(11.55, 6.17, -17.11)`
CIE LCH	`lch(11.55, 18.19, 289.83)`
CIE XYZ	`xyz(1.482, 1.339, 3.67)`
Decimal	`1580342`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #181D36, 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 #181D36	Ratio	AA	AAA	AA large
Sample text	1.27:1	Fail	Fail	Fail
Sample text	16.56:1	Pass	Pass	Pass

#181D36 as text on	Ratio	AA	AAA	AA large
Sample text	16.56:1	Pass	Pass	Pass
Sample text	1.27:1	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 #181D36 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #181d36; }
.text { color: #181d36; }
.border { border: 2px solid #181d36; }
.transparent { background-color: rgb(24 29 54 / 50%); }
.gradient { background: linear-gradient(to right, #181d36, #221836); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #181D36?: #181D36 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 #181D36?: The RGB value is 24, 29, 54: 24 red, 29 green and 54 blue on a 0 to 255 scale.
What is the complementary color of #181D36?: The complementary color is #363118, found by rotating the hue 180° on the color wheel.
Is black or white text better on #181D36?: White text. Black text has a contrast ratio of 1.27:1 and white text 16.56:1. WCAG asks for at least 4.5:1 for normal text.