What color is #373A56?

#373A56 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 #373A56?

The RGB value is 55, 58, 86: 55 red, 58 green and 86 blue on a 0 to 255 scale.

What is the complementary color of #373A56?

The complementary color is #565337, found by rotating the hue 180° on the color wheel.

Is black or white text better on #373A56?

White text. Black text has a contrast ratio of 1.9:1 and white text 11.04:1. WCAG asks for at least 4.5:1 for normal text.

#373A56 color

#373A56 rgb(55, 58, 86)

Shades of blue

The hex color #373A56 is a dark, grayish blue.

In the RGB color model it is made of 21.6% red, 22.7% green and 33.7% blue (55, 58, 86).

Its hue angle is 234°, with 22% saturation and 28% lightness. For print, the CMYK equivalent is 36% cyan, 33% magenta, 0% yellow and 66% black.

The closest named color is Mediaeval Blue (#2E3858), a difference of 2.9 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.04:1).

#373A56 color codes

HEX	`#373A56`
RGB	`rgb(55, 58, 86)`
RGB percent	`rgb(21.6%, 22.7%, 33.7%)`
HSL	`hsl(234, 22%, 28%)`
HSV / HSB	`hsv(234, 36%, 34%)`
CMYK	`cmyk(36%, 33%, 0%, 66%)`
CIE LAB	`lab(25.29, 6.42, -17.27)`
CIE LCH	`lch(25.29, 18.43, 290.41)`
CIE XYZ	`xyz(4.768, 4.51, 9.422)`
Decimal	`3619414`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #373A56, 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 #373A56	Ratio	AA	AAA	AA large
Sample text	1.9:1	Fail	Fail	Fail
Sample text	11.04:1	Pass	Pass	Pass

#373A56 as text on	Ratio	AA	AAA	AA large
Sample text	11.04:1	Pass	Pass	Pass
Sample text	1.9:1	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 #373A56 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #373a56; }
.text { color: #373a56; }
.border { border: 2px solid #373a56; }
.transparent { background-color: rgb(55 58 86 / 50%); }
.gradient { background: linear-gradient(to right, #373a56, #443756); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #373A56?: #373A56 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 #373A56?: The RGB value is 55, 58, 86: 55 red, 58 green and 86 blue on a 0 to 255 scale.
What is the complementary color of #373A56?: The complementary color is #565337, found by rotating the hue 180° on the color wheel.
Is black or white text better on #373A56?: White text. Black text has a contrast ratio of 1.9:1 and white text 11.04:1. WCAG asks for at least 4.5:1 for normal text.