What color is #003370?

#003370 is a dark, vivid azure, closest to the named color Neptune’s Dream. It belongs to the blue family of colors.

What is the RGB value of #003370?

The RGB value is 0, 51, 112: 0 red, 51 green and 112 blue on a 0 to 255 scale.

What is the complementary color of #003370?

The complementary color is #703D00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #003370?

White text. Black text has a contrast ratio of 1.71:1 and white text 12.3:1. WCAG asks for at least 4.5:1 for normal text.

#003370 color

#003370 rgb(0, 51, 112)

Shades of blue

The hex color #003370 is a dark, vivid azure.

In the RGB color model it is made of 0% red, 20% green and 43.9% blue (0, 51, 112).

Its hue angle is 213°, with 100% saturation and 22% lightness. For print, the CMYK equivalent is 100% cyan, 54% magenta, 0% yellow and 56% black.

The closest named color is Neptune’s Dream (#003368), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 12.3:1).

#003370 color codes

HEX	`#003370`
RGB	`rgb(0, 51, 112)`
RGB percent	`rgb(0%, 20%, 43.9%)`
HSL	`hsl(213, 100%, 22%)`
HSV / HSB	`hsv(213, 100%, 44%)`
CMYK	`cmyk(100%, 54%, 0%, 56%)`
CIE LAB	`lab(22.08, 11.33, -39.43)`
CIE LCH	`lch(22.08, 41.03, 286.04)`
CIE XYZ	`xyz(4.107, 3.537, 15.792)`
Decimal	`13168`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #003370, 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 #003370	Ratio	AA	AAA	AA large
Sample text	1.71:1	Fail	Fail	Fail
Sample text	12.3:1	Pass	Pass	Pass

#003370 as text on	Ratio	AA	AAA	AA large
Sample text	12.3:1	Pass	Pass	Pass
Sample text	1.71:1	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 #003370 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #003370; }
.text { color: #003370; }
.border { border: 2px solid #003370; }
.transparent { background-color: rgb(0 51 112 / 50%); }
.gradient { background: linear-gradient(to right, #003370, #050070); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #003370?: #003370 is a dark, vivid azure, closest to the named color Neptune’s Dream. It belongs to the blue family of colors.
What is the RGB value of #003370?: The RGB value is 0, 51, 112: 0 red, 51 green and 112 blue on a 0 to 255 scale.
What is the complementary color of #003370?: The complementary color is #703D00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #003370?: White text. Black text has a contrast ratio of 1.71:1 and white text 12.3:1. WCAG asks for at least 4.5:1 for normal text.