#37181E color
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 | |
|---|---|---|
| RGB | rgb(55, 24, 30) | |
| RGB percent | rgb(21.6%, 9.4%, 11.8%) | |
| HSL | hsl(348, 39%, 15%) | |
| HSV / HSB | hsv(348, 56%, 22%) | |
| CMYK | cmyk(0%, 56%, 45%, 78%) | |
| CIE LAB | lab(12.98, 16.2, 2.93) | |
| CIE LCH | lch(12.98, 16.46, 10.25) | |
| CIE XYZ | xyz(2.137, 1.559, 1.417) | |
| Decimal | 3610654 | |
| Short hex | None (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 #37181E | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.31:1 | Fail | Fail | Fail |
| Sample text | 16.01:1 | Pass | Pass | Pass |
| #37181E as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 16.01:1 | 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 #37181E looks to people with the most common types of color vision deficiency.
#1e1e1eProtanopia
no red cones#25241dDeuteranopia
no green cones#3c151aTritanopia
no blue cones#212121Achromatopsia
no color vision
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); }
Similar colors
#3b1921Bruised Plum#3e1825Black-Hearted#3c1421Chocolate Kiss#2c1620Black Cherry#44232fCastro#441122What We Do in the Shadows#492a34Wine Tasting#2e0303Nether
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.