What color is #374F71?

#374F71 is a dark, desaturated azure, closest to the named color Naval Blue. It belongs to the blue family of colors.

What is the RGB value of #374F71?

The RGB value is 55, 79, 113: 55 red, 79 green and 113 blue on a 0 to 255 scale.

What is the complementary color of #374F71?

The complementary color is #715937, found by rotating the hue 180° on the color wheel.

Is black or white text better on #374F71?

White text. Black text has a contrast ratio of 2.52:1 and white text 8.34:1. WCAG asks for at least 4.5:1 for normal text.

#374F71 color

#374F71 rgb(55, 79, 113)

Shades of blue

The hex color #374F71 is a dark, desaturated azure.

In the RGB color model it is made of 21.6% red, 31% green and 44.3% blue (55, 79, 113).

Its hue angle is 215°, with 35% saturation and 33% lightness. For print, the CMYK equivalent is 51% cyan, 30% magenta, 0% yellow and 56% black.

The closest named color is Naval Blue (#384B6B), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.34:1).

#374F71 color codes

HEX	`#374F71`
RGB	`rgb(55, 79, 113)`
RGB percent	`rgb(21.6%, 31%, 44.3%)`
HSL	`hsl(215, 35%, 33%)`
HSV / HSB	`hsv(215, 51%, 44%)`
CMYK	`cmyk(51%, 30%, 0%, 56%)`
CIE LAB	`lab(33.13, 1.28, -22.35)`
CIE LCH	`lch(33.13, 22.39, 273.27)`
CIE XYZ	`xyz(7.351, 7.596, 16.698)`
Decimal	`3624817`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #374F71, 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 #374F71	Ratio	AA	AAA	AA large
Sample text	2.52:1	Fail	Fail	Fail
Sample text	8.34:1	Pass	Pass	Pass

#374F71 as text on	Ratio	AA	AAA	AA large
Sample text	8.34:1	Pass	Pass	Pass
Sample text	2.52:1	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 #374F71 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #374f71; }
.text { color: #374f71; }
.border { border: 2px solid #374f71; }
.transparent { background-color: rgb(55 79 113 / 50%); }
.gradient { background: linear-gradient(to right, #374f71, #3c3771); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #374F71?: #374F71 is a dark, desaturated azure, closest to the named color Naval Blue. It belongs to the blue family of colors.
What is the RGB value of #374F71?: The RGB value is 55, 79, 113: 55 red, 79 green and 113 blue on a 0 to 255 scale.
What is the complementary color of #374F71?: The complementary color is #715937, found by rotating the hue 180° on the color wheel.
Is black or white text better on #374F71?: White text. Black text has a contrast ratio of 2.52:1 and white text 8.34:1. WCAG asks for at least 4.5:1 for normal text.