What color is #373C53?

#373C53 is a dark, grayish blue, closest to the named color Lava Stone. It belongs to the blue family of colors.

What is the RGB value of #373C53?

The RGB value is 55, 60, 83: 55 red, 60 green and 83 blue on a 0 to 255 scale.

What is the complementary color of #373C53?

The complementary color is #534E37, found by rotating the hue 180° on the color wheel.

Is black or white text better on #373C53?

White text. Black text has a contrast ratio of 1.93:1 and white text 10.86:1. WCAG asks for at least 4.5:1 for normal text.

#373C53 color

#373C53 rgb(55, 60, 83)

Shades of blue

The hex color #373C53 is a dark, grayish blue.

In the RGB color model it is made of 21.6% red, 23.5% green and 32.5% blue (55, 60, 83).

Its hue angle is 229°, with 20% saturation and 27% lightness. For print, the CMYK equivalent is 34% cyan, 28% magenta, 0% yellow and 67% black.

The closest named color is Lava Stone (#3C4151), a difference of 3.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 10.86:1).

#373C53 color codes

HEX	`#373C53`
RGB	`rgb(55, 60, 83)`
RGB percent	`rgb(21.6%, 23.5%, 32.5%)`
HSL	`hsl(229, 20%, 27%)`
HSV / HSB	`hsv(229, 34%, 33%)`
CMYK	`cmyk(34%, 28%, 0%, 67%)`
CIE LAB	`lab(25.77, 4.17, -14.56)`
CIE LCH	`lch(25.77, 15.15, 285.96)`
CIE XYZ	`xyz(4.752, 4.668, 8.833)`
Decimal	`3619923`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #373C53, 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 #373C53	Ratio	AA	AAA	AA large
Sample text	1.93:1	Fail	Fail	Fail
Sample text	10.86:1	Pass	Pass	Pass

#373C53 as text on	Ratio	AA	AAA	AA large
Sample text	10.86:1	Pass	Pass	Pass
Sample text	1.93:1	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 #373C53 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #373c53; }
.text { color: #373c53; }
.border { border: 2px solid #373c53; }
.transparent { background-color: rgb(55 60 83 / 50%); }
.gradient { background: linear-gradient(to right, #373c53, #403753); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #373C53?: #373C53 is a dark, grayish blue, closest to the named color Lava Stone. It belongs to the blue family of colors.
What is the RGB value of #373C53?: The RGB value is 55, 60, 83: 55 red, 60 green and 83 blue on a 0 to 255 scale.
What is the complementary color of #373C53?: The complementary color is #534E37, found by rotating the hue 180° on the color wheel.
Is black or white text better on #373C53?: White text. Black text has a contrast ratio of 1.93:1 and white text 10.86:1. WCAG asks for at least 4.5:1 for normal text.