#3F4237 color
The hex color #3F4237 is a dark, grayish yellow-green.
In the RGB color model it is made of 24.7% red, 25.9% green and 21.6% blue (63, 66, 55).
Its hue angle is 76°, with 9% saturation and 24% lightness. For print, the CMYK equivalent is 5% cyan, 0% magenta, 17% yellow and 74% black.
The closest named color is Heavy Metal (#46473E), a difference of 2.5 ΔE, a small difference.
White text is the more readable choice on this background (contrast 10.26:1).
#3F4237 color codes
| HEX | #3F4237 | |
|---|---|---|
| RGB | rgb(63, 66, 55) | |
| RGB percent | rgb(24.7%, 25.9%, 21.6%) | |
| HSL | hsl(76, 9%, 24%) | |
| HSV / HSB | hsv(76, 17%, 26%) | |
| CMYK | cmyk(5%, 0%, 17%, 74%) | |
| CIE LAB | lab(27.38, -3.61, 6.28) | |
| CIE LCH | lch(27.38, 7.25, 119.89) | |
| CIE XYZ | xyz(4.688, 5.229, 4.376) | |
| Decimal | 4145719 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #3F4237, 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 #3F4237 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.05:1 | Fail | Fail | Fail |
| Sample text | 10.26:1 | Pass | Pass | Pass |
| #3F4237 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 10.26:1 | Pass | Pass | Pass |
| Sample text | 2.05:1 | 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 #3F4237 looks to people with the most common types of color vision deficiency.
#444136Protanopia
no red cones#434137Deuteranopia
no green cones#40413fTritanopia
no blue cones#414141Achromatopsia
no color vision
CSS examples
.background { background-color: #3f4237; }
.text { color: #3f4237; }
.border { border: 2px solid #3f4237; }
.transparent { background-color: rgb(63 66 55 / 50%); }
.gradient { background: linear-gradient(to right, #3f4237, #3a4237); }
Similar colors
#46473eHeavy Metal#3b3c36Black Olive#444b43Ancient Pine#3c463eDeep Forest#353935Onyx#49463fWhiskey and Wine#484a46Armadillo#44413cDeepest Nightmare
Questions
- What color is #3F4237?
- #3F4237 is a dark, grayish yellow-green, closest to the named color Heavy Metal. It belongs to the gray family of colors.
- What is the RGB value of #3F4237?
- The RGB value is 63, 66, 55: 63 red, 66 green and 55 blue on a 0 to 255 scale.
- What is the complementary color of #3F4237?
- The complementary color is #3A3742, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #3F4237?
- White text. Black text has a contrast ratio of 2.05:1 and white text 10.26:1. WCAG asks for at least 4.5:1 for normal text.