What color is #00375A?

#00375A is a very dark, vivid azure, closest to the named color Poseidon. It belongs to the blue family of colors.

What is the RGB value of #00375A?

The RGB value is 0, 55, 90: 0 red, 55 green and 90 blue on a 0 to 255 scale.

What is the complementary color of #00375A?

The complementary color is #5A2300, found by rotating the hue 180° on the color wheel.

Is black or white text better on #00375A?

White text. Black text has a contrast ratio of 1.69:1 and white text 12.4:1. WCAG asks for at least 4.5:1 for normal text.

#00375A color

#00375A rgb(0, 55, 90)

Shades of blue

The hex color #00375A is a very dark, vivid azure.

In the RGB color model it is made of 0% red, 21.6% green and 35.3% blue (0, 55, 90).

Its hue angle is 203°, with 100% saturation and 18% lightness. For print, the CMYK equivalent is 100% cyan, 39% magenta, 0% yellow and 65% black.

The closest named color is Poseidon (#143C5D), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 12.4:1).

#00375A color codes

HEX	`#00375A`
RGB	`rgb(0, 55, 90)`
RGB percent	`rgb(0%, 21.6%, 35.3%)`
HSL	`hsl(203, 100%, 18%)`
HSV / HSB	`hsv(203, 100%, 35%)`
CMYK	`cmyk(100%, 39%, 0%, 65%)`
CIE LAB	`lab(21.84, -1.45, -25.51)`
CIE LCH	`lch(21.84, 25.55, 266.74)`
CIE XYZ	`xyz(3.211, 3.47, 10.171)`
Decimal	`14170`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #00375A, 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 #00375A	Ratio	AA	AAA	AA large
Sample text	1.69:1	Fail	Fail	Fail
Sample text	12.4:1	Pass	Pass	Pass

#00375A as text on	Ratio	AA	AAA	AA large
Sample text	12.4:1	Pass	Pass	Pass
Sample text	1.69:1	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 #00375A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #00375a; }
.text { color: #00375a; }
.border { border: 2px solid #00375a; }
.transparent { background-color: rgb(0 55 90 / 50%); }
.gradient { background: linear-gradient(to right, #00375a, #000a5a); }

Background

Text color

Border

Similar colors

Questions

What color is #00375A?: #00375A is a very dark, vivid azure, closest to the named color Poseidon. It belongs to the blue family of colors.
What is the RGB value of #00375A?: The RGB value is 0, 55, 90: 0 red, 55 green and 90 blue on a 0 to 255 scale.
What is the complementary color of #00375A?: The complementary color is #5A2300, found by rotating the hue 180° on the color wheel.
Is black or white text better on #00375A?: White text. Black text has a contrast ratio of 1.69:1 and white text 12.4:1. WCAG asks for at least 4.5:1 for normal text.