What color is #310B20?

#310B20 is a very dark, moderate rose, closest to the named color Vienna Roast. It belongs to the black family of colors.

What is the RGB value of #310B20?

The RGB value is 49, 11, 32: 49 red, 11 green and 32 blue on a 0 to 255 scale.

What is the complementary color of #310B20?

The complementary color is #0B311C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #310B20?

White text. Black text has a contrast ratio of 1.2:1 and white text 17.51:1. WCAG asks for at least 4.5:1 for normal text.

#310B20 color

#310B20 rgb(49, 11, 32)

Shades of black

The hex color #310B20 is a very dark, moderate rose.

In the RGB color model it is made of 19.2% red, 4.3% green and 12.5% blue (49, 11, 32).

Its hue angle is 327°, with 63% saturation and 12% lightness. For print, the CMYK equivalent is 0% cyan, 78% magenta, 35% yellow and 81% black.

The closest named color is Vienna Roast (#330022), a difference of 4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.51:1).

#310B20 color codes

HEX	`#310B20`
RGB	`rgb(49, 11, 32)`
RGB percent	`rgb(19.2%, 4.3%, 12.5%)`
HSL	`hsl(327, 63%, 12%)`
HSV / HSB	`hsv(327, 78%, 19%)`
CMYK	`cmyk(0%, 78%, 35%, 81%)`
CIE LAB	`lab(8.96, 21.78, -4.6)`
CIE LCH	`lch(8.96, 22.26, 348.07)`
CIE XYZ	`xyz(1.647, 0.997, 1.472)`
Decimal	`3214112`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #310B20, 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 #310B20	Ratio	AA	AAA	AA large
Sample text	1.2:1	Fail	Fail	Fail
Sample text	17.51:1	Pass	Pass	Pass

#310B20 as text on	Ratio	AA	AAA	AA large
Sample text	17.51:1	Pass	Pass	Pass
Sample text	1.2:1	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 #310B20 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #310b20; }
.text { color: #310b20; }
.border { border: 2px solid #310b20; }
.transparent { background-color: rgb(49 11 32 / 50%); }
.gradient { background: linear-gradient(to right, #310b20, #310b0d); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Purple.

Questions

What color is #310B20?: #310B20 is a very dark, moderate rose, closest to the named color Vienna Roast. It belongs to the black family of colors.
What is the RGB value of #310B20?: The RGB value is 49, 11, 32: 49 red, 11 green and 32 blue on a 0 to 255 scale.
What is the complementary color of #310B20?: The complementary color is #0B311C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #310B20?: White text. Black text has a contrast ratio of 1.2:1 and white text 17.51:1. WCAG asks for at least 4.5:1 for normal text.