What color is #373739?

#373739 is a dark gray, closest to the named color Coal Hard Truth. It belongs to the gray family of colors.

What is the RGB value of #373739?

The RGB value is 55, 55, 57: 55 red, 55 green and 57 blue on a 0 to 255 scale.

What is the complementary color of #373739?

The complementary color is #393937, found by rotating the hue 180° on the color wheel.

Is black or white text better on #373739?

White text. Black text has a contrast ratio of 1.77:1 and white text 11.88:1. WCAG asks for at least 4.5:1 for normal text.

#373739 color

#373739 rgb(55, 55, 57)

Shades of gray

The hex color #373739 is a dark gray.

In the RGB color model it is made of 21.6% red, 21.6% green and 22.4% blue (55, 55, 57).

Its hue angle is 240°, with 2% saturation and 22% lightness. For print, the CMYK equivalent is 4% cyan, 4% magenta, 0% yellow and 78% black.

The closest named color is Coal Hard Truth (#3B3B3D), a difference of 1.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.88:1).

#373739 color codes

HEX	`#373739`
RGB	`rgb(55, 55, 57)`
RGB percent	`rgb(21.6%, 21.6%, 22.4%)`
HSL	`hsl(240, 2%, 22%)`
HSV / HSB	`hsv(240, 4%, 22%)`
CMYK	`cmyk(4%, 4%, 0%, 78%)`
CIE LAB	`lab(23.14, 0.47, -1.25)`
CIE LCH	`lch(23.14, 1.33, 290.47)`
CIE XYZ	`xyz(3.68, 3.84, 4.417)`
Decimal	`3618617`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #373739, 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 #373739	Ratio	AA	AAA	AA large
Sample text	1.77:1	Fail	Fail	Fail
Sample text	11.88:1	Pass	Pass	Pass

#373739 as text on	Ratio	AA	AAA	AA large
Sample text	11.88:1	Pass	Pass	Pass
Sample text	1.77:1	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 #373739 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #373739; }
.text { color: #373739; }
.border { border: 2px solid #373739; }
.transparent { background-color: rgb(55 55 57 / 50%); }
.gradient { background: linear-gradient(to right, #373739, #383739); }

Background

Text color

Border

Similar colors

Questions

What color is #373739?: #373739 is a dark gray, closest to the named color Coal Hard Truth. It belongs to the gray family of colors.
What is the RGB value of #373739?: The RGB value is 55, 55, 57: 55 red, 55 green and 57 blue on a 0 to 255 scale.
What is the complementary color of #373739?: The complementary color is #393937, found by rotating the hue 180° on the color wheel.
Is black or white text better on #373739?: White text. Black text has a contrast ratio of 1.77:1 and white text 11.88:1. WCAG asks for at least 4.5:1 for normal text.