What color is #374E7A?

#374E7A is a dark, desaturated azure, closest to the named color Noble Knight. It belongs to the blue family of colors.

What is the RGB value of #374E7A?

The RGB value is 55, 78, 122: 55 red, 78 green and 122 blue on a 0 to 255 scale.

What is the complementary color of #374E7A?

The complementary color is #7A6337, found by rotating the hue 180° on the color wheel.

Is black or white text better on #374E7A?

White text. Black text has a contrast ratio of 2.53:1 and white text 8.29:1. WCAG asks for at least 4.5:1 for normal text.

#374E7A color

#374E7A rgb(55, 78, 122)

Shades of blue

The hex color #374E7A is a dark, desaturated azure.

In the RGB color model it is made of 21.6% red, 30.6% green and 47.8% blue (55, 78, 122).

Its hue angle is 219°, with 38% saturation and 35% lightness. For print, the CMYK equivalent is 55% cyan, 36% magenta, 0% yellow and 52% black.

The closest named color is Noble Knight (#394D78), a difference of 0.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.29:1).

#374E7A color codes

HEX	`#374E7A`
RGB	`rgb(55, 78, 122)`
RGB percent	`rgb(21.6%, 30.6%, 47.8%)`
HSL	`hsl(219, 38%, 35%)`
HSV / HSB	`hsv(219, 55%, 48%)`
CMYK	`cmyk(55%, 36%, 0%, 52%)`
CIE LAB	`lab(33.28, 4.99, -27.73)`
CIE LCH	`lch(33.28, 28.17, 280.2)`
CIE XYZ	`xyz(7.812, 7.666, 19.477)`
Decimal	`3624570`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #374E7A, 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 #374E7A	Ratio	AA	AAA	AA large
Sample text	2.53:1	Fail	Fail	Fail
Sample text	8.29:1	Pass	Pass	Pass

#374E7A as text on	Ratio	AA	AAA	AA large
Sample text	8.29:1	Pass	Pass	Pass
Sample text	2.53:1	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 #374E7A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #374e7a; }
.text { color: #374e7a; }
.border { border: 2px solid #374e7a; }
.transparent { background-color: rgb(55 78 122 / 50%); }
.gradient { background: linear-gradient(to right, #374e7a, #42377a); }

Background

Text color

Border

Similar colors

Closest common color name: Cobalt Blue.

Questions

What color is #374E7A?: #374E7A is a dark, desaturated azure, closest to the named color Noble Knight. It belongs to the blue family of colors.
What is the RGB value of #374E7A?: The RGB value is 55, 78, 122: 55 red, 78 green and 122 blue on a 0 to 255 scale.
What is the complementary color of #374E7A?: The complementary color is #7A6337, found by rotating the hue 180° on the color wheel.
Is black or white text better on #374E7A?: White text. Black text has a contrast ratio of 2.53:1 and white text 8.29:1. WCAG asks for at least 4.5:1 for normal text.