What color is #374666?

#374666 is a dark, desaturated blue, closest to the named color Bonne Nuit. It belongs to the blue family of colors.

What is the RGB value of #374666?

The RGB value is 55, 70, 102: 55 red, 70 green and 102 blue on a 0 to 255 scale.

What is the complementary color of #374666?

The complementary color is #665737, found by rotating the hue 180° on the color wheel.

Is black or white text better on #374666?

White text. Black text has a contrast ratio of 2.23:1 and white text 9.42:1. WCAG asks for at least 4.5:1 for normal text.

#374666 color

#374666 rgb(55, 70, 102)

Shades of blue

The hex color #374666 is a dark, desaturated blue.

In the RGB color model it is made of 21.6% red, 27.5% green and 40% blue (55, 70, 102).

Its hue angle is 221°, with 30% saturation and 31% lightness. For print, the CMYK equivalent is 46% cyan, 31% magenta, 0% yellow and 60% black.

The closest named color is Bonne Nuit (#3A4866), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.42:1).

#374666 color codes

HEX	`#374666`
RGB	`rgb(55, 70, 102)`
RGB percent	`rgb(21.6%, 27.5%, 40%)`
HSL	`hsl(221, 30%, 31%)`
HSV / HSB	`hsv(221, 46%, 40%)`
CMYK	`cmyk(46%, 31%, 0%, 60%)`
CIE LAB	`lab(29.79, 3.5, -20.61)`
CIE LCH	`lch(29.79, 20.9, 279.63)`
CIE XYZ	`xyz(6.163, 6.152, 13.43)`
Decimal	`3622502`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #374666, 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 #374666	Ratio	AA	AAA	AA large
Sample text	2.23:1	Fail	Fail	Fail
Sample text	9.42:1	Pass	Pass	Pass

#374666 as text on	Ratio	AA	AAA	AA large
Sample text	9.42:1	Pass	Pass	Pass
Sample text	2.23:1	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 #374666 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #374666; }
.text { color: #374666; }
.border { border: 2px solid #374666; }
.transparent { background-color: rgb(55 70 102 / 50%); }
.gradient { background: linear-gradient(to right, #374666, #403766); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #374666?: #374666 is a dark, desaturated blue, closest to the named color Bonne Nuit. It belongs to the blue family of colors.
What is the RGB value of #374666?: The RGB value is 55, 70, 102: 55 red, 70 green and 102 blue on a 0 to 255 scale.
What is the complementary color of #374666?: The complementary color is #665737, found by rotating the hue 180° on the color wheel.
Is black or white text better on #374666?: White text. Black text has a contrast ratio of 2.23:1 and white text 9.42:1. WCAG asks for at least 4.5:1 for normal text.