What color is #0D172B?

#0D172B is a very dark, moderate blue, closest to the named color Sombre Night. It belongs to the black family of colors.

What is the RGB value of #0D172B?

The RGB value is 13, 23, 43: 13 red, 23 green and 43 blue on a 0 to 255 scale.

What is the complementary color of #0D172B?

The complementary color is #2B210D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0D172B?

White text. Black text has a contrast ratio of 1.17:1 and white text 17.88:1. WCAG asks for at least 4.5:1 for normal text.

#0D172B color

#0D172B rgb(13, 23, 43)

Shades of black

The hex color #0D172B is a very dark, moderate blue.

In the RGB color model it is made of 5.1% red, 9% green and 16.9% blue (13, 23, 43).

Its hue angle is 220°, with 54% saturation and 11% lightness. For print, the CMYK equivalent is 70% cyan, 47% magenta, 0% yellow and 83% black.

The closest named color is Sombre Night (#161E34), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.88:1).

#0D172B color codes

HEX	`#0D172B`
RGB	`rgb(13, 23, 43)`
RGB percent	`rgb(5.1%, 9%, 16.9%)`
HSL	`hsl(220, 54%, 11%)`
HSV / HSB	`hsv(220, 70%, 17%)`
CMYK	`cmyk(70%, 47%, 0%, 83%)`
CIE LAB	`lab(7.88, 3.16, -14.94)`
CIE LCH	`lch(7.88, 15.27, 281.94)`
CIE XYZ	`xyz(0.908, 0.873, 2.406)`
Decimal	`857899`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0D172B, 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 #0D172B	Ratio	AA	AAA	AA large
Sample text	1.17:1	Fail	Fail	Fail
Sample text	17.88:1	Pass	Pass	Pass

#0D172B as text on	Ratio	AA	AAA	AA large
Sample text	17.88:1	Pass	Pass	Pass
Sample text	1.17:1	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 #0D172B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0d172b; }
.text { color: #0d172b; }
.border { border: 2px solid #0d172b; }
.transparent { background-color: rgb(13 23 43 / 50%); }
.gradient { background: linear-gradient(to right, #0d172b, #120d2b); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #0D172B?: #0D172B is a very dark, moderate blue, closest to the named color Sombre Night. It belongs to the black family of colors.
What is the RGB value of #0D172B?: The RGB value is 13, 23, 43: 13 red, 23 green and 43 blue on a 0 to 255 scale.
What is the complementary color of #0D172B?: The complementary color is #2B210D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0D172B?: White text. Black text has a contrast ratio of 1.17:1 and white text 17.88:1. WCAG asks for at least 4.5:1 for normal text.