#403837 color
The hex color #403837 is a dark gray.
In the RGB color model it is made of 25.1% red, 22% green and 21.6% blue (64, 56, 55).
Its hue angle is 7°, with 8% saturation and 23% lightness. For print, the CMYK equivalent is 0% cyan, 13% magenta, 14% yellow and 75% black.
The closest named color is Eclipse (#3F3939), a difference of 1.2 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 11.42:1).
#403837 color codes
| HEX | #403837 | |
|---|---|---|
| RGB | rgb(64, 56, 55) | |
| RGB percent | rgb(25.1%, 22%, 21.6%) | |
| HSL | hsl(7, 8%, 23%) | |
| HSV / HSB | hsv(7, 14%, 25%) | |
| CMYK | cmyk(0%, 13%, 14%, 75%) | |
| CIE LAB | lab(24.3, 3.3, 1.91) | |
| CIE LCH | lch(24.3, 3.81, 30.02) | |
| CIE XYZ | xyz(4.218, 4.194, 4.201) | |
| Decimal | 4208695 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #403837, 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 #403837 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.84:1 | Fail | Fail | Fail |
| Sample text | 11.42:1 | Pass | Pass | Pass |
| #403837 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.42:1 | Pass | Pass | Pass |
| Sample text | 1.84:1 | 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 #403837 looks to people with the most common types of color vision deficiency.
#393937Protanopia
no red cones#3b3a37Deuteranopia
no green cones#423738Tritanopia
no blue cones#3a3a3aAchromatopsia
no color vision
CSS examples
.background { background-color: #403837; }
.text { color: #403837; }
.border { border: 2px solid #403837; }
.transparent { background-color: rgb(64 56 55 / 50%); }
.gradient { background: linear-gradient(to right, #403837, #403c37); }
Similar colors
#3f3939Eclipse#3c3535After Dark#463d3eBlack Truffle#443736Cowboy#3a3532Kilimanjaro#41373aVoid Wellness Coach#3d322eSix Feet Under#3b2f2fSmoked Black Coffee
Closest common color name: Graphite.
Questions
- What color is #403837?
- #403837 is a dark gray, closest to the named color Eclipse. It belongs to the gray family of colors.
- What is the RGB value of #403837?
- The RGB value is 64, 56, 55: 64 red, 56 green and 55 blue on a 0 to 255 scale.
- What is the complementary color of #403837?
- The complementary color is #373F40, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #403837?
- White text. Black text has a contrast ratio of 1.84:1 and white text 11.42:1. WCAG asks for at least 4.5:1 for normal text.