What color is #003B6F?

#003B6F is a dark, vivid azure known as Tardis Blue. It belongs to the blue family of colors.

What is the RGB value of Tardis Blue?

The RGB value is 0, 59, 111: 0 red, 59 green and 111 blue on a 0 to 255 scale.

What is the complementary color of Tardis Blue?

The complementary color is #6F3400, found by rotating the hue 180° on the color wheel.

Is black or white text better on #003B6F?

White text. Black text has a contrast ratio of 1.86:1 and white text 11.32:1. WCAG asks for at least 4.5:1 for normal text.

Tardis Blue color: hex code #003B6F

#003B6F rgb(0, 59, 111)

Shades of blue

Tardis Blue has the hex code #003B6F. It is a dark, vivid azure.

In the RGB color model it is made of 0% red, 23.1% green and 43.5% blue (0, 59, 111).

Its hue angle is 208°, with 100% saturation and 22% lightness. For print, the CMYK equivalent is 100% cyan, 47% magenta, 0% yellow and 56% black.

White text is the more readable choice on this background (contrast 11.32:1).

Tardis Blue (#003B6F) color codes

HEX	`#003B6F`
RGB	`rgb(0, 59, 111)`
RGB percent	`rgb(0%, 23.1%, 43.5%)`
HSL	`hsl(208, 100%, 22%)`
HSV / HSB	`hsv(208, 100%, 44%)`
CMYK	`cmyk(100%, 47%, 0%, 56%)`
CIE LAB	`lab(24.56, 5.14, -34.78)`
CIE LCH	`lch(24.56, 35.16, 278.4)`
CIE XYZ	`xyz(4.432, 4.275, 15.627)`
Decimal	`15215`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Tardis 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 #003B6F	Ratio	AA	AAA	AA large
Sample text	1.86:1	Fail	Fail	Fail
Sample text	11.32:1	Pass	Pass	Pass

#003B6F as text on	Ratio	AA	AAA	AA large
Sample text	11.32:1	Pass	Pass	Pass
Sample text	1.86:1	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 #003B6F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #003b6f; }
.text { color: #003b6f; }
.border { border: 2px solid #003b6f; }
.transparent { background-color: rgb(0 59 111 / 50%); }
.gradient { background: linear-gradient(to right, #003b6f, #00036f); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

See #003B6F on its hex code page

Questions

What color is #003B6F?: #003B6F is a dark, vivid azure known as Tardis Blue. It belongs to the blue family of colors.
What is the RGB value of Tardis Blue?: The RGB value is 0, 59, 111: 0 red, 59 green and 111 blue on a 0 to 255 scale.
What is the complementary color of Tardis Blue?: The complementary color is #6F3400, found by rotating the hue 180° on the color wheel.
Is black or white text better on #003B6F?: White text. Black text has a contrast ratio of 1.86:1 and white text 11.32:1. WCAG asks for at least 4.5:1 for normal text.