What color is #37181F?

#37181F is a very dark, desaturated red, closest to the named color Bruised Plum. It belongs to the red family of colors.

What is the RGB value of #37181F?

The RGB value is 55, 24, 31: 55 red, 24 green and 31 blue on a 0 to 255 scale.

What is the complementary color of #37181F?

The complementary color is #183730, found by rotating the hue 180° on the color wheel.

Is black or white text better on #37181F?

White text. Black text has a contrast ratio of 1.31:1 and white text 16:1. WCAG asks for at least 4.5:1 for normal text.

#37181F color

#37181F rgb(55, 24, 31)

Shades of red

The hex color #37181F is a very dark, desaturated red.

In the RGB color model it is made of 21.6% red, 9.4% green and 12.2% blue (55, 24, 31).

Its hue angle is 346°, with 39% saturation and 15% lightness. For print, the CMYK equivalent is 0% cyan, 56% magenta, 44% yellow and 78% black.

The closest named color is Bruised Plum (#3B1921), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16:1).

#37181F color codes

HEX	`#37181F`
RGB	`rgb(55, 24, 31)`
RGB percent	`rgb(21.6%, 9.4%, 12.2%)`
HSL	`hsl(346, 39%, 15%)`
HSV / HSB	`hsv(346, 56%, 22%)`
CMYK	`cmyk(0%, 56%, 44%, 78%)`
CIE LAB	`lab(13.01, 16.34, 2.24)`
CIE LCH	`lch(13.01, 16.49, 7.8)`
CIE XYZ	`xyz(2.15, 1.565, 1.485)`
Decimal	`3610655`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #37181F, 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 #37181F	Ratio	AA	AAA	AA large
Sample text	1.31:1	Fail	Fail	Fail
Sample text	16:1	Pass	Pass	Pass

#37181F as text on	Ratio	AA	AAA	AA large
Sample text	16:1	Pass	Pass	Pass
Sample text	1.31:1	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 #37181F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #37181f; }
.text { color: #37181f; }
.border { border: 2px solid #37181f; }
.transparent { background-color: rgb(55 24 31 / 50%); }
.gradient { background: linear-gradient(to right, #37181f, #372018); }

Background

Text color

Border

Similar colors

Closest common color name: Espresso.

Questions

What color is #37181F?: #37181F is a very dark, desaturated red, closest to the named color Bruised Plum. It belongs to the red family of colors.
What is the RGB value of #37181F?: The RGB value is 55, 24, 31: 55 red, 24 green and 31 blue on a 0 to 255 scale.
What is the complementary color of #37181F?: The complementary color is #183730, found by rotating the hue 180° on the color wheel.
Is black or white text better on #37181F?: White text. Black text has a contrast ratio of 1.31:1 and white text 16:1. WCAG asks for at least 4.5:1 for normal text.