#37181E color

#37181E rgb(55, 24, 30)
Shades of red

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

In the RGB color model it is made of 21.6% red, 9.4% green and 11.8% blue (55, 24, 30).

Its hue angle is 348°, with 39% saturation and 15% lightness. For print, the CMYK equivalent is 0% cyan, 56% magenta, 45% yellow and 78% black.

The closest named color is Bruised Plum (#3B1921), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.01:1).

#37181E color codes

HEX#37181E
RGBrgb(55, 24, 30)
RGB percentrgb(21.6%, 9.4%, 11.8%)
HSLhsl(348, 39%, 15%)
HSV / HSBhsv(348, 56%, 22%)
CMYKcmyk(0%, 56%, 45%, 78%)
CIE LABlab(12.98, 16.2, 2.93)
CIE LCHlch(12.98, 16.46, 10.25)
CIE XYZxyz(2.137, 1.559, 1.417)
Decimal3610654
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #37181E, 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 #37181ERatioAAAAAAA large
Sample text1.31:1FailFailFail
Sample text16.01:1PassPassPass
#37181E as text onRatioAAAAAAA large
Sample text16.01:1PassPassPass
Sample text1.31:1FailFailFail

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 #37181E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #37181e; }
.text { color: #37181e; }
.border { border: 2px solid #37181e; }
.transparent { background-color: rgb(55 24 30 / 50%); }
.gradient { background: linear-gradient(to right, #37181e, #372118); }
Background
Text color
Border

Similar colors

Closest common color name: Espresso.

Questions

What color is #37181E?
#37181E 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 #37181E?
The RGB value is 55, 24, 30: 55 red, 24 green and 30 blue on a 0 to 255 scale.
What is the complementary color of #37181E?
The complementary color is #183731, found by rotating the hue 180° on the color wheel.
Is black or white text better on #37181E?
White text. Black text has a contrast ratio of 1.31:1 and white text 16.01:1. WCAG asks for at least 4.5:1 for normal text.