What color is #312F31?

#312F31 is a dark gray, closest to the named color Dark Charcoal. It belongs to the black family of colors.

What is the RGB value of #312F31?

The RGB value is 49, 47, 49: 49 red, 47 green and 49 blue on a 0 to 255 scale.

What is the complementary color of #312F31?

The complementary color is #2F312F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #312F31?

White text. Black text has a contrast ratio of 1.58:1 and white text 13.28:1. WCAG asks for at least 4.5:1 for normal text.

#312F31 color

#312F31 rgb(49, 47, 49)

Shades of black

The hex color #312F31 is a dark gray.

In the RGB color model it is made of 19.2% red, 18.4% green and 19.2% blue (49, 47, 49).

Its hue angle is 300°, with 2% saturation and 19% lightness. For print, the CMYK equivalent is 0% cyan, 4% magenta, 0% yellow and 81% black.

The closest named color is Dark Charcoal (#333232), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 13.28:1).

#312F31 color codes

HEX	`#312F31`
RGB	`rgb(49, 47, 49)`
RGB percent	`rgb(19.2%, 18.4%, 19.2%)`
HSL	`hsl(300, 2%, 19%)`
HSV / HSB	`hsv(300, 4%, 19%)`
CMYK	`cmyk(0%, 4%, 0%, 81%)`
CIE LAB	`lab(19.67, 1.35, -0.96)`
CIE LCH	`lch(19.67, 1.66, 324.63)`
CIE XYZ	`xyz(2.837, 2.908, 3.317)`
Decimal	`3223345`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #312F31, 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 #312F31	Ratio	AA	AAA	AA large
Sample text	1.58:1	Fail	Fail	Fail
Sample text	13.28:1	Pass	Pass	Pass

#312F31 as text on	Ratio	AA	AAA	AA large
Sample text	13.28:1	Pass	Pass	Pass
Sample text	1.58:1	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 #312F31 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #312f31; }
.text { color: #312f31; }
.border { border: 2px solid #312f31; }
.transparent { background-color: rgb(49 47 49 / 50%); }
.gradient { background: linear-gradient(to right, #312f31, #312f30); }

Background

Text color

Border

Similar colors

Questions

What color is #312F31?: #312F31 is a dark gray, closest to the named color Dark Charcoal. It belongs to the black family of colors.
What is the RGB value of #312F31?: The RGB value is 49, 47, 49: 49 red, 47 green and 49 blue on a 0 to 255 scale.
What is the complementary color of #312F31?: The complementary color is #2F312F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #312F31?: White text. Black text has a contrast ratio of 1.58:1 and white text 13.28:1. WCAG asks for at least 4.5:1 for normal text.