What color is #373A3F?

#373A3F is a dark gray, closest to the named color Artist’s Charcoal. It belongs to the gray family of colors.

What is the RGB value of #373A3F?

The RGB value is 55, 58, 63: 55 red, 58 green and 63 blue on a 0 to 255 scale.

What is the complementary color of #373A3F?

The complementary color is #3F3C37, found by rotating the hue 180° on the color wheel.

Is black or white text better on #373A3F?

White text. Black text has a contrast ratio of 1.84:1 and white text 11.42:1. WCAG asks for at least 4.5:1 for normal text.

#373A3F color

#373A3F rgb(55, 58, 63)

Shades of gray

The hex color #373A3F is a dark gray.

In the RGB color model it is made of 21.6% red, 22.7% green and 24.7% blue (55, 58, 63).

Its hue angle is 218°, with 7% saturation and 23% lightness. For print, the CMYK equivalent is 13% cyan, 8% magenta, 0% yellow and 75% black.

The closest named color is Artist’s Charcoal (#37393E), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.42:1).

#373A3F color codes

HEX	`#373A3F`
RGB	`rgb(55, 58, 63)`
RGB percent	`rgb(21.6%, 22.7%, 24.7%)`
HSL	`hsl(218, 7%, 23%)`
HSV / HSB	`hsv(218, 13%, 25%)`
CMYK	`cmyk(13%, 8%, 0%, 75%)`
CIE LAB	`lab(24.31, -0.05, -3.53)`
CIE LCH	`lch(24.31, 3.53, 269.13)`
CIE XYZ	`xyz(3.986, 4.197, 5.302)`
Decimal	`3619391`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #373A3F, 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 #373A3F	Ratio	AA	AAA	AA large
Sample text	1.84:1	Fail	Fail	Fail
Sample text	11.42:1	Pass	Pass	Pass

#373A3F as text on	Ratio	AA	AAA	AA large
Sample text	11.42:1	Pass	Pass	Pass
Sample text	1.84:1	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 #373A3F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #373a3f; }
.text { color: #373a3f; }
.border { border: 2px solid #373a3f; }
.transparent { background-color: rgb(55 58 63 / 50%); }
.gradient { background: linear-gradient(to right, #373a3f, #38373f); }

Background

Text color

Border

Similar colors

Questions

What color is #373A3F?: #373A3F is a dark gray, closest to the named color Artist’s Charcoal. It belongs to the gray family of colors.
What is the RGB value of #373A3F?: The RGB value is 55, 58, 63: 55 red, 58 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #373A3F?: The complementary color is #3F3C37, found by rotating the hue 180° on the color wheel.
Is black or white text better on #373A3F?: White text. Black text has a contrast ratio of 1.84:1 and white text 11.42:1. WCAG asks for at least 4.5:1 for normal text.