What color is #00008B?

#00008B is a dark, vivid blue known as Dark Blue. It belongs to the blue family of colors.

What is the RGB value of Dark Blue?

The RGB value is 0, 0, 139: 0 red, 0 green and 139 blue on a 0 to 255 scale.

What is the complementary color of Dark Blue?

The complementary color is #8B8B00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #00008B?

White text. Black text has a contrast ratio of 1.37:1 and white text 15.3:1. WCAG asks for at least 4.5:1 for normal text.

Dark Blue color: hex code #00008B

#00008B rgb(0, 0, 139)

Shades of blue

Dark Blue has the hex code #00008B. It is a dark, vivid blue.

In the RGB color model it is made of 0% red, 0% green and 54.5% blue (0, 0, 139).

Its hue angle is 240°, with 100% saturation and 27% lightness. For print, the CMYK equivalent is 100% cyan, 100% magenta, 0% yellow and 45% black.

You can use it in CSS with the keyword darkblue.

White text is the more readable choice on this background (contrast 15.3:1).

Dark Blue (#00008B) color codes

HEX	`#00008B`
RGB	`rgb(0, 0, 139)`
RGB percent	`rgb(0%, 0%, 54.5%)`
HSL	`hsl(240, 100%, 27%)`
HSV / HSB	`hsv(240, 100%, 55%)`
CMYK	`cmyk(100%, 100%, 0%, 45%)`
CIE LAB	`lab(14.75, 50.42, -68.68)`
CIE LCH	`lch(14.75, 85.2, 306.28)`
CIE XYZ	`xyz(4.659, 1.863, 24.535)`
Decimal	`139`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Dark Blue, 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 #00008B	Ratio	AA	AAA	AA large
Sample text	1.37:1	Fail	Fail	Fail
Sample text	15.3:1	Pass	Pass	Pass

#00008B as text on	Ratio	AA	AAA	AA large
Sample text	15.3:1	Pass	Pass	Pass
Sample text	1.37:1	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 #00008B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #00008b; }
.text { color: #00008b; }
.border { border: 2px solid #00008b; }
.transparent { background-color: rgb(0 0 139 / 50%); }
.gradient { background: linear-gradient(to right, #00008b, #46008b); }

Background

Text color

Border

Similar colors

See #00008B on its hex code page

Questions

What color is #00008B?: #00008B is a dark, vivid blue known as Dark Blue. It belongs to the blue family of colors.
What is the RGB value of Dark Blue?: The RGB value is 0, 0, 139: 0 red, 0 green and 139 blue on a 0 to 255 scale.
What is the complementary color of Dark Blue?: The complementary color is #8B8B00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #00008B?: White text. Black text has a contrast ratio of 1.37:1 and white text 15.3:1. WCAG asks for at least 4.5:1 for normal text.