What color is #003399?

#003399 is a dark, vivid blue known as Smalt. It belongs to the blue family of colors.

What is the RGB value of Smalt?

The RGB value is 0, 51, 153: 0 red, 51 green and 153 blue on a 0 to 255 scale.

What is the complementary color of Smalt?

The complementary color is #996600, found by rotating the hue 180° on the color wheel.

Is black or white text better on #003399?

White text. Black text has a contrast ratio of 1.93:1 and white text 10.86:1. WCAG asks for at least 4.5:1 for normal text.

Smalt color: hex code #003399

#003399 rgb(0, 51, 153)

Shades of blue

Smalt has the hex code #003399. It is a dark, vivid blue.

In the RGB color model it is made of 0% red, 20% green and 60% blue (0, 51, 153).

Its hue angle is 220°, with 100% saturation and 30% lightness. For print, the CMYK equivalent is 100% cyan, 67% magenta, 0% yellow and 40% black.

White text is the more readable choice on this background (contrast 10.86:1).

Smalt (#003399) color codes

HEX	`#003399`
RGB	`rgb(0, 51, 153)`
RGB percent	`rgb(0%, 20%, 60%)`
HSL	`hsl(220, 100%, 30%)`
HSV / HSB	`hsv(220, 100%, 60%)`
CMYK	`cmyk(100%, 67%, 0%, 40%)`
CIE LAB	`lab(25.76, 28.88, -59.09)`
CIE LCH	`lch(25.76, 65.77, 296.05)`
CIE XYZ	`xyz(6.932, 4.667, 30.666)`
Decimal	`13209`
Short hex	`#039`

Color harmonies

Colors that go with Smalt, 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 #003399	Ratio	AA	AAA	AA large
Sample text	1.93:1	Fail	Fail	Fail
Sample text	10.86:1	Pass	Pass	Pass

#003399 as text on	Ratio	AA	AAA	AA large
Sample text	10.86:1	Pass	Pass	Pass
Sample text	1.93:1	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 #003399 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #003399; }
.text { color: #003399; }
.border { border: 2px solid #003399; }
.transparent { background-color: rgb(0 51 153 / 50%); }
.gradient { background: linear-gradient(to right, #003399, #1a0099); }

Background

Text color

Border

Similar colors

See #003399 on its hex code page

Questions

What color is #003399?: #003399 is a dark, vivid blue known as Smalt. It belongs to the blue family of colors.
What is the RGB value of Smalt?: The RGB value is 0, 51, 153: 0 red, 51 green and 153 blue on a 0 to 255 scale.
What is the complementary color of Smalt?: The complementary color is #996600, found by rotating the hue 180° on the color wheel.
Is black or white text better on #003399?: White text. Black text has a contrast ratio of 1.93:1 and white text 10.86:1. WCAG asks for at least 4.5:1 for normal text.