What color is #00357B?

#00357B is a dark, vivid azure, closest to the named color Atlantic Navy. It belongs to the blue family of colors.

What is the RGB value of #00357B?

The RGB value is 0, 53, 123: 0 red, 53 green and 123 blue on a 0 to 255 scale.

What is the complementary color of #00357B?

The complementary color is #7B4600, found by rotating the hue 180° on the color wheel.

Is black or white text better on #00357B?

White text. Black text has a contrast ratio of 1.8:1 and white text 11.7:1. WCAG asks for at least 4.5:1 for normal text.

#00357B color

#00357B rgb(0, 53, 123)

Shades of blue

The hex color #00357B is a dark, vivid azure.

In the RGB color model it is made of 0% red, 20.8% green and 48.2% blue (0, 53, 123).

Its hue angle is 214°, with 100% saturation and 24% lightness. For print, the CMYK equivalent is 100% cyan, 57% magenta, 0% yellow and 52% black.

The closest named color is Atlantic Navy (#13336F), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.7:1).

#00357B color codes

HEX	`#00357B`
RGB	`rgb(0, 53, 123)`
RGB percent	`rgb(0%, 20.8%, 48.2%)`
HSL	`hsl(214, 100%, 24%)`
HSV / HSB	`hsv(214, 100%, 48%)`
CMYK	`cmyk(100%, 57%, 0%, 52%)`
CIE LAB	`lab(23.59, 14.77, -43.98)`
CIE LCH	`lch(23.59, 46.4, 288.56)`
CIE XYZ	`xyz(4.847, 3.976, 19.247)`
Decimal	`13691`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #00357B, 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 #00357B	Ratio	AA	AAA	AA large
Sample text	1.8:1	Fail	Fail	Fail
Sample text	11.7:1	Pass	Pass	Pass

#00357B as text on	Ratio	AA	AAA	AA large
Sample text	11.7:1	Pass	Pass	Pass
Sample text	1.8:1	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 #00357B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #00357b; }
.text { color: #00357b; }
.border { border: 2px solid #00357b; }
.transparent { background-color: rgb(0 53 123 / 50%); }
.gradient { background: linear-gradient(to right, #00357b, #08007b); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #00357B?: #00357B is a dark, vivid azure, closest to the named color Atlantic Navy. It belongs to the blue family of colors.
What is the RGB value of #00357B?: The RGB value is 0, 53, 123: 0 red, 53 green and 123 blue on a 0 to 255 scale.
What is the complementary color of #00357B?: The complementary color is #7B4600, found by rotating the hue 180° on the color wheel.
Is black or white text better on #00357B?: White text. Black text has a contrast ratio of 1.8:1 and white text 11.7:1. WCAG asks for at least 4.5:1 for normal text.