What color is #313437?

#313437 is a dark gray, closest to the named color Vulcan. It belongs to the gray family of colors.

What is the RGB value of #313437?

The RGB value is 49, 52, 55: 49 red, 52 green and 55 blue on a 0 to 255 scale.

What is the complementary color of #313437?

The complementary color is #373431, found by rotating the hue 180° on the color wheel.

Is black or white text better on #313437?

White text. Black text has a contrast ratio of 1.68:1 and white text 12.52:1. WCAG asks for at least 4.5:1 for normal text.

#313437 color

#313437 rgb(49, 52, 55)

Shades of gray

The hex color #313437 is a dark gray.

In the RGB color model it is made of 19.2% red, 20.4% green and 21.6% blue (49, 52, 55).

Its hue angle is 210°, with 6% saturation and 20% lightness. For print, the CMYK equivalent is 11% cyan, 5% magenta, 0% yellow and 78% black.

The closest named color is Vulcan (#36383C), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 12.52:1).

#313437 color codes

HEX	`#313437`
RGB	`rgb(49, 52, 55)`
RGB percent	`rgb(19.2%, 20.4%, 21.6%)`
HSL	`hsl(210, 6%, 20%)`
HSV / HSB	`hsv(210, 11%, 22%)`
CMYK	`cmyk(11%, 5%, 0%, 78%)`
CIE LAB	`lab(21.52, -0.56, -2.34)`
CIE LCH	`lch(21.52, 2.4, 256.62)`
CIE XYZ	`xyz(3.184, 3.385, 4.099)`
Decimal	`3224631`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #313437, 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 #313437	Ratio	AA	AAA	AA large
Sample text	1.68:1	Fail	Fail	Fail
Sample text	12.52:1	Pass	Pass	Pass

#313437 as text on	Ratio	AA	AAA	AA large
Sample text	12.52:1	Pass	Pass	Pass
Sample text	1.68:1	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 #313437 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #313437; }
.text { color: #313437; }
.border { border: 2px solid #313437; }
.transparent { background-color: rgb(49 52 55 / 50%); }
.gradient { background: linear-gradient(to right, #313437, #313137); }

Background

Text color

Border

Similar colors

Questions

What color is #313437?: #313437 is a dark gray, closest to the named color Vulcan. It belongs to the gray family of colors.
What is the RGB value of #313437?: The RGB value is 49, 52, 55: 49 red, 52 green and 55 blue on a 0 to 255 scale.
What is the complementary color of #313437?: The complementary color is #373431, found by rotating the hue 180° on the color wheel.
Is black or white text better on #313437?: White text. Black text has a contrast ratio of 1.68:1 and white text 12.52:1. WCAG asks for at least 4.5:1 for normal text.