What color is #374B55?

#374B55 is a dark, grayish azure, closest to the named color Nocturne. It belongs to the gray family of colors.

What is the RGB value of #374B55?

The RGB value is 55, 75, 85: 55 red, 75 green and 85 blue on a 0 to 255 scale.

What is the complementary color of #374B55?

The complementary color is #554137, found by rotating the hue 180° on the color wheel.

Is black or white text better on #374B55?

White text. Black text has a contrast ratio of 2.3:1 and white text 9.13:1. WCAG asks for at least 4.5:1 for normal text.

#374B55 color

#374B55 rgb(55, 75, 85)

Shades of gray

The hex color #374B55 is a dark, grayish azure.

In the RGB color model it is made of 21.6% red, 29.4% green and 33.3% blue (55, 75, 85).

Its hue angle is 200°, with 21% saturation and 27% lightness. For print, the CMYK equivalent is 35% cyan, 12% magenta, 0% yellow and 67% black.

The closest named color is Nocturne (#344D58), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.13:1).

#374B55 color codes

HEX	`#374B55`
RGB	`rgb(55, 75, 85)`
RGB percent	`rgb(21.6%, 29.4%, 33.3%)`
HSL	`hsl(200, 21%, 27%)`
HSV / HSB	`hsv(200, 35%, 33%)`
CMYK	`cmyk(35%, 12%, 0%, 67%)`
CIE LAB	`lab(30.64, -4.97, -8.43)`
CIE LCH	`lch(30.64, 9.79, 239.47)`
CIE XYZ	`xyz(5.731, 6.5, 9.545)`
Decimal	`3623765`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #374B55, 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 #374B55	Ratio	AA	AAA	AA large
Sample text	2.3:1	Fail	Fail	Fail
Sample text	9.13:1	Pass	Pass	Pass

#374B55 as text on	Ratio	AA	AAA	AA large
Sample text	9.13:1	Pass	Pass	Pass
Sample text	2.3:1	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 #374B55 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #374b55; }
.text { color: #374b55; }
.border { border: 2px solid #374b55; }
.transparent { background-color: rgb(55 75 85 / 50%); }
.gradient { background: linear-gradient(to right, #374b55, #373c55); }

Background

Text color

Border

Similar colors

Questions

What color is #374B55?: #374B55 is a dark, grayish azure, closest to the named color Nocturne. It belongs to the gray family of colors.
What is the RGB value of #374B55?: The RGB value is 55, 75, 85: 55 red, 75 green and 85 blue on a 0 to 255 scale.
What is the complementary color of #374B55?: The complementary color is #554137, found by rotating the hue 180° on the color wheel.
Is black or white text better on #374B55?: White text. Black text has a contrast ratio of 2.3:1 and white text 9.13:1. WCAG asks for at least 4.5:1 for normal text.