What color is #374B75?

#374B75 is a dark, desaturated blue, closest to the named color Noble Knight. It belongs to the blue family of colors.

What is the RGB value of #374B75?

The RGB value is 55, 75, 117: 55 red, 75 green and 117 blue on a 0 to 255 scale.

What is the complementary color of #374B75?

The complementary color is #756137, found by rotating the hue 180° on the color wheel.

Is black or white text better on #374B75?

White text. Black text has a contrast ratio of 2.43:1 and white text 8.66:1. WCAG asks for at least 4.5:1 for normal text.

#374B75 color

#374B75 rgb(55, 75, 117)

Shades of blue

The hex color #374B75 is a dark, desaturated blue.

In the RGB color model it is made of 21.6% red, 29.4% green and 45.9% blue (55, 75, 117).

Its hue angle is 221°, with 36% saturation and 34% lightness. For print, the CMYK equivalent is 53% cyan, 36% magenta, 0% yellow and 54% black.

The closest named color is Noble Knight (#394D78), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.66:1).

#374B75 color codes

HEX	`#374B75`
RGB	`rgb(55, 75, 117)`
RGB percent	`rgb(21.6%, 29.4%, 45.9%)`
HSL	`hsl(221, 36%, 34%)`
HSV / HSB	`hsv(221, 53%, 46%)`
CMYK	`cmyk(53%, 36%, 0%, 54%)`
CIE LAB	`lab(32.1, 5.23, -26.47)`
CIE LCH	`lch(32.1, 26.98, 281.19)`
CIE XYZ	`xyz(7.301, 7.128, 17.817)`
Decimal	`3623797`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #374B75, 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 #374B75	Ratio	AA	AAA	AA large
Sample text	2.43:1	Fail	Fail	Fail
Sample text	8.66:1	Pass	Pass	Pass

#374B75 as text on	Ratio	AA	AAA	AA large
Sample text	8.66:1	Pass	Pass	Pass
Sample text	2.43:1	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 #374B75 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #374b75; }
.text { color: #374b75; }
.border { border: 2px solid #374b75; }
.transparent { background-color: rgb(55 75 117 / 50%); }
.gradient { background: linear-gradient(to right, #374b75, #423775); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #374B75?: #374B75 is a dark, desaturated blue, closest to the named color Noble Knight. It belongs to the blue family of colors.
What is the RGB value of #374B75?: The RGB value is 55, 75, 117: 55 red, 75 green and 117 blue on a 0 to 255 scale.
What is the complementary color of #374B75?: The complementary color is #756137, found by rotating the hue 180° on the color wheel.
Is black or white text better on #374B75?: White text. Black text has a contrast ratio of 2.43:1 and white text 8.66:1. WCAG asks for at least 4.5:1 for normal text.