What color is #0D183B?

#0D183B is a very dark, moderate blue, closest to the named color Nightwalker. It belongs to the black family of colors.

What is the RGB value of #0D183B?

The RGB value is 13, 24, 59: 13 red, 24 green and 59 blue on a 0 to 255 scale.

What is the complementary color of #0D183B?

The complementary color is #3B300D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0D183B?

White text. Black text has a contrast ratio of 1.21:1 and white text 17.34:1. WCAG asks for at least 4.5:1 for normal text.

#0D183B color

#0D183B rgb(13, 24, 59)

Shades of black

The hex color #0D183B is a very dark, moderate blue.

In the RGB color model it is made of 5.1% red, 9.4% green and 23.1% blue (13, 24, 59).

Its hue angle is 226°, with 64% saturation and 14% lightness. For print, the CMYK equivalent is 78% cyan, 59% magenta, 0% yellow and 77% black.

The closest named color is Nightwalker (#161D3B), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.34:1).

#0D183B color codes

HEX	`#0D183B`
RGB	`rgb(13, 24, 59)`
RGB percent	`rgb(5.1%, 9.4%, 23.1%)`
HSL	`hsl(226, 64%, 14%)`
HSV / HSB	`hsv(226, 78%, 23%)`
CMYK	`cmyk(78%, 59%, 0%, 77%)`
CIE LAB	`lab(9.44, 9.37, -24.11)`
CIE LCH	`lch(9.44, 25.86, 291.24)`
CIE XYZ	`xyz(1.282, 1.054, 4.273)`
Decimal	`858171`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0D183B, 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 #0D183B	Ratio	AA	AAA	AA large
Sample text	1.21:1	Fail	Fail	Fail
Sample text	17.34:1	Pass	Pass	Pass

#0D183B as text on	Ratio	AA	AAA	AA large
Sample text	17.34:1	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 #0D183B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0d183b; }
.text { color: #0d183b; }
.border { border: 2px solid #0d183b; }
.transparent { background-color: rgb(13 24 59 / 50%); }
.gradient { background: linear-gradient(to right, #0d183b, #190d3b); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #0D183B?: #0D183B is a very dark, moderate blue, closest to the named color Nightwalker. It belongs to the black family of colors.
What is the RGB value of #0D183B?: The RGB value is 13, 24, 59: 13 red, 24 green and 59 blue on a 0 to 255 scale.
What is the complementary color of #0D183B?: The complementary color is #3B300D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0D183B?: White text. Black text has a contrast ratio of 1.21:1 and white text 17.34:1. WCAG asks for at least 4.5:1 for normal text.