#373639 color
The hex color #373639 is a dark gray.
In the RGB color model it is made of 21.6% red, 21.2% green and 22.4% blue (55, 54, 57).
Its hue angle is 260°, with 3% saturation and 22% lightness. For print, the CMYK equivalent is 4% cyan, 5% magenta, 0% yellow and 78% black.
The closest named color is Moonless Night (#3C393D), a difference of 1.8 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 12.01:1).
#373639 color codes
| HEX | #373639 | |
|---|---|---|
| RGB | rgb(55, 54, 57) | |
| RGB percent | rgb(21.6%, 21.2%, 22.4%) | |
| HSL | hsl(260, 3%, 22%) | |
| HSV / HSB | hsv(260, 5%, 22%) | |
| CMYK | cmyk(4%, 5%, 0%, 78%) | |
| CIE LAB | lab(22.81, 1.13, -1.72) | |
| CIE LCH | lch(22.81, 2.06, 303.29) | |
| CIE XYZ | xyz(3.633, 3.746, 4.402) | |
| Decimal | 3618361 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #373639, 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 #373639 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.75:1 | Fail | Fail | Fail |
| Sample text | 12.01:1 | Pass | Pass | Pass |
| #373639 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 12.01:1 | Pass | Pass | Pass |
| Sample text | 1.75:1 | 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 #373639 looks to people with the most common types of color vision deficiency.
#363639Protanopia
no red cones#363639Deuteranopia
no green cones#373637Tritanopia
no blue cones#363636Achromatopsia
no color vision
CSS examples
.background { background-color: #373639; }
.text { color: #373639; }
.border { border: 2px solid #373639; }
.transparent { background-color: rgb(55 54 57 / 50%); }
.gradient { background: linear-gradient(to right, #373639, #393639); }
Similar colors
#3c393dMoonless Night#3b3b3dCoal Hard Truth#36383cVulcan#37393eArtist’s Charcoal#38393fAfter Midnight#383838Graphite#383838Lacquered Liquorice#3b3c41In the Dark
Questions
- What color is #373639?
- #373639 is a dark gray, closest to the named color Moonless Night. It belongs to the gray family of colors.
- What is the RGB value of #373639?
- The RGB value is 55, 54, 57: 55 red, 54 green and 57 blue on a 0 to 255 scale.
- What is the complementary color of #373639?
- The complementary color is #383936, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #373639?
- White text. Black text has a contrast ratio of 1.75:1 and white text 12.01:1. WCAG asks for at least 4.5:1 for normal text.