What color is #373D59?

#373D59 is a dark, grayish blue, closest to the named color Mediaeval Blue. It belongs to the blue family of colors.

What is the RGB value of #373D59?

The RGB value is 55, 61, 89: 55 red, 61 green and 89 blue on a 0 to 255 scale.

What is the complementary color of #373D59?

The complementary color is #595337, found by rotating the hue 180° on the color wheel.

Is black or white text better on #373D59?

White text. Black text has a contrast ratio of 1.97:1 and white text 10.64:1. WCAG asks for at least 4.5:1 for normal text.

#373D59 color

#373D59 rgb(55, 61, 89)

Shades of blue

The hex color #373D59 is a dark, grayish blue.

In the RGB color model it is made of 21.6% red, 23.9% green and 34.9% blue (55, 61, 89).

Its hue angle is 229°, with 24% saturation and 28% lightness. For print, the CMYK equivalent is 38% cyan, 31% magenta, 0% yellow and 65% black.

The closest named color is Mediaeval Blue (#2E3858), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 10.64:1).

#373D59 color codes

HEX	`#373D59`
RGB	`rgb(55, 61, 89)`
RGB percent	`rgb(21.6%, 23.9%, 34.9%)`
HSL	`hsl(229, 24%, 28%)`
HSV / HSB	`hsv(229, 38%, 35%)`
CMYK	`cmyk(38%, 31%, 0%, 65%)`
CIE LAB	`lab(26.36, 5.33, -17.56)`
CIE LCH	`lch(26.36, 18.36, 286.88)`
CIE XYZ	`xyz(5.047, 4.871, 10.123)`
Decimal	`3620185`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #373D59, 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 #373D59	Ratio	AA	AAA	AA large
Sample text	1.97:1	Fail	Fail	Fail
Sample text	10.64:1	Pass	Pass	Pass

#373D59 as text on	Ratio	AA	AAA	AA large
Sample text	10.64:1	Pass	Pass	Pass
Sample text	1.97:1	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 #373D59 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #373d59; }
.text { color: #373d59; }
.border { border: 2px solid #373d59; }
.transparent { background-color: rgb(55 61 89 / 50%); }
.gradient { background: linear-gradient(to right, #373d59, #423759); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #373D59?: #373D59 is a dark, grayish blue, closest to the named color Mediaeval Blue. It belongs to the blue family of colors.
What is the RGB value of #373D59?: The RGB value is 55, 61, 89: 55 red, 61 green and 89 blue on a 0 to 255 scale.
What is the complementary color of #373D59?: The complementary color is #595337, found by rotating the hue 180° on the color wheel.
Is black or white text better on #373D59?: White text. Black text has a contrast ratio of 1.97:1 and white text 10.64:1. WCAG asks for at least 4.5:1 for normal text.