What color is #003975?

#003975 is a dark, vivid azure, closest to the named color Tardis Blue. It belongs to the blue family of colors.

What is the RGB value of #003975?

The RGB value is 0, 57, 117: 0 red, 57 green and 117 blue on a 0 to 255 scale.

What is the complementary color of #003975?

The complementary color is #753C00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #003975?

White text. Black text has a contrast ratio of 1.84:1 and white text 11.4:1. WCAG asks for at least 4.5:1 for normal text.

#003975 color

#003975 rgb(0, 57, 117)

Shades of blue

The hex color #003975 is a dark, vivid azure.

In the RGB color model it is made of 0% red, 22.4% green and 45.9% blue (0, 57, 117).

Its hue angle is 211°, with 100% saturation and 23% lightness. For print, the CMYK equivalent is 100% cyan, 51% magenta, 0% yellow and 54% black.

The closest named color is Tardis Blue (#003B6F), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.4:1).

#003975 color codes

HEX	`#003975`
RGB	`rgb(0, 57, 117)`
RGB percent	`rgb(0%, 22.4%, 45.9%)`
HSL	`hsl(211, 100%, 23%)`
HSV / HSB	`hsv(211, 100%, 46%)`
CMYK	`cmyk(100%, 51%, 0%, 54%)`
CIE LAB	`lab(24.35, 9.23, -38.94)`
CIE LCH	`lch(24.35, 40.02, 283.33)`
CIE XYZ	`xyz(4.673, 4.21, 17.392)`
Decimal	`14709`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #003975, 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 #003975	Ratio	AA	AAA	AA large
Sample text	1.84:1	Fail	Fail	Fail
Sample text	11.4:1	Pass	Pass	Pass

#003975 as text on	Ratio	AA	AAA	AA large
Sample text	11.4:1	Pass	Pass	Pass
Sample text	1.84:1	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 #003975 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #003975; }
.text { color: #003975; }
.border { border: 2px solid #003975; }
.transparent { background-color: rgb(0 57 117 / 50%); }
.gradient { background: linear-gradient(to right, #003975, #010075); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #003975?: #003975 is a dark, vivid azure, closest to the named color Tardis Blue. It belongs to the blue family of colors.
What is the RGB value of #003975?: The RGB value is 0, 57, 117: 0 red, 57 green and 117 blue on a 0 to 255 scale.
What is the complementary color of #003975?: The complementary color is #753C00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #003975?: White text. Black text has a contrast ratio of 1.84:1 and white text 11.4:1. WCAG asks for at least 4.5:1 for normal text.