#373131 color
The hex color #373131 is a dark gray.
In the RGB color model it is made of 21.6% red, 19.2% green and 19.2% blue (55, 49, 49).
Its hue angle is 0°, with 6% saturation and 20% lightness. For print, the CMYK equivalent is 0% cyan, 11% magenta, 11% yellow and 78% black.
The closest named color is Night Rider (#332E2E), a difference of 1.2 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 12.76:1).
#373131 color codes
| HEX | #373131 | |
|---|---|---|
| RGB | rgb(55, 49, 49) | |
| RGB percent | rgb(21.6%, 19.2%, 19.2%) | |
| HSL | hsl(0, 6%, 20%) | |
| HSV / HSB | hsv(0, 11%, 22%) | |
| CMYK | cmyk(0%, 11%, 11%, 78%) | |
| CIE LAB | lab(20.94, 2.68, 0.97) | |
| CIE LCH | lch(20.94, 2.85, 19.99) | |
| CIE XYZ | xyz(3.228, 3.231, 3.359) | |
| Decimal | 3617073 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #373131, 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 #373131 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.65:1 | Fail | Fail | Fail |
| Sample text | 12.76:1 | Pass | Pass | Pass |
| #373131 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 12.76:1 | Pass | Pass | Pass |
| Sample text | 1.65:1 | 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 #373131 looks to people with the most common types of color vision deficiency.
#323231Protanopia
no red cones#333331Deuteranopia
no green cones#383031Tritanopia
no blue cones#323232Achromatopsia
no color vision
CSS examples
.background { background-color: #373131; }
.text { color: #373131; }
.border { border: 2px solid #373131; }
.transparent { background-color: rgb(55 49 49 / 50%); }
.gradient { background: linear-gradient(to right, #373131, #373431); }
Similar colors
#332e2eNight Rider#3c3535After Dark#322c2bDiesel#3a3532Kilimanjaro#3f3939Eclipse#332f2cHoly Crow#333232Dark Charcoal#3b2f2fSmoked Black Coffee
Closest common color name: Jet Black.
Questions
- What color is #373131?
- #373131 is a dark gray, closest to the named color Night Rider. It belongs to the gray family of colors.
- What is the RGB value of #373131?
- The RGB value is 55, 49, 49: 55 red, 49 green and 49 blue on a 0 to 255 scale.
- What is the complementary color of #373131?
- The complementary color is #313737, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #373131?
- White text. Black text has a contrast ratio of 1.65:1 and white text 12.76:1. WCAG asks for at least 4.5:1 for normal text.