#373D3B color
The hex color #373D3B is a dark gray.
In the RGB color model it is made of 21.6% red, 23.9% green and 23.1% blue (55, 61, 59).
Its hue angle is 160°, with 5% saturation and 23% lightness. For print, the CMYK equivalent is 10% cyan, 0% magenta, 3% yellow and 76% black.
The closest named color is Onyx (#353935), a difference of 1.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 11.09:1).
#373D3B color codes
| HEX | #373D3B | |
|---|---|---|
| RGB | rgb(55, 61, 59) | |
| RGB percent | rgb(21.6%, 23.9%, 23.1%) | |
| HSL | hsl(160, 5%, 23%) | |
| HSV / HSB | hsv(160, 10%, 24%) | |
| CMYK | cmyk(10%, 0%, 3%, 76%) | |
| CIE LAB | lab(25.15, -2.99, 0.37) | |
| CIE LCH | lch(25.15, 3.01, 172.92) | |
| CIE XYZ | xyz(4.034, 4.465, 4.786) | |
| Decimal | 3620155 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #373D3B, 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 #373D3B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.89:1 | Fail | Fail | Fail |
| Sample text | 11.09:1 | Pass | Pass | Pass |
| #373D3B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.09:1 | Pass | Pass | Pass |
| Sample text | 1.89:1 | 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 #373D3B looks to people with the most common types of color vision deficiency.
#3d3c3bProtanopia
no red cones#3b3b3bDeuteranopia
no green cones#363d3cTritanopia
no blue cones#3c3c3cAchromatopsia
no color vision
CSS examples
.background { background-color: #373d3b; }
.text { color: #373d3b; }
.border { border: 2px solid #373d3b; }
.transparent { background-color: rgb(55 61 59 / 50%); }
.gradient { background: linear-gradient(to right, #373d3b, #373c3d); }
Similar colors
#353935Onyx#3b3f40Tamahagane#353838Wet Concrete#2f3434Phantom Ship#3b3c36Black Olive#424443Vulcanised#3e4244Metropolitan Silhouette#313330Oil
Questions
- What color is #373D3B?
- #373D3B is a dark gray, closest to the named color Onyx. It belongs to the gray family of colors.
- What is the RGB value of #373D3B?
- The RGB value is 55, 61, 59: 55 red, 61 green and 59 blue on a 0 to 255 scale.
- What is the complementary color of #373D3B?
- The complementary color is #3D3739, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #373D3B?
- White text. Black text has a contrast ratio of 1.89:1 and white text 11.09:1. WCAG asks for at least 4.5:1 for normal text.