#331D1B color
The hex color #331D1B is a very dark, desaturated red.
In the RGB color model it is made of 20% red, 11.4% green and 10.6% blue (51, 29, 27).
Its hue angle is 5°, with 31% saturation and 15% lightness. For print, the CMYK equivalent is 0% cyan, 43% magenta, 47% yellow and 80% black.
The closest named color is Ethereal Espresso (#3E2723), a difference of 3.3 ΔE, a small difference.
White text is the more readable choice on this background (contrast 15.76:1).
#331D1B color codes
| HEX | #331D1B | |
|---|---|---|
| RGB | rgb(51, 29, 27) | |
| RGB percent | rgb(20%, 11.4%, 10.6%) | |
| HSL | hsl(5, 31%, 15%) | |
| HSV / HSB | hsv(5, 47%, 20%) | |
| CMYK | cmyk(0%, 43%, 47%, 80%) | |
| CIE LAB | lab(13.6, 10.5, 5.9) | |
| CIE LCH | lch(13.6, 12.04, 29.31) | |
| CIE XYZ | xyz(2.003, 1.662, 1.252) | |
| Decimal | 3349787 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #331D1B, 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 #331D1B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.33:1 | Fail | Fail | Fail |
| Sample text | 15.76:1 | Pass | Pass | Pass |
| #331D1B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 15.76:1 | Pass | Pass | Pass |
| Sample text | 1.33:1 | 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 #331D1B looks to people with the most common types of color vision deficiency.
#22201bProtanopia
no red cones#27241bDeuteranopia
no green cones#371a1dTritanopia
no blue cones#232323Achromatopsia
no color vision
CSS examples
.background { background-color: #331d1b; }
.text { color: #331d1b; }
.border { border: 2px solid #331d1b; }
.transparent { background-color: rgb(51 29 27 / 50%); }
.gradient { background: linear-gradient(to right, #331d1b, #33291b); }
Similar colors
#3e2723Ethereal Espresso#372528Aubergine#221111Italian Roast#3b2b2cHavana#3e2b23English Walnut#2d1403Shadow Play#4a2c2aBrown Coffee#251b19Dark Orchestra
Closest common color name: Espresso.
Questions
- What color is #331D1B?
- #331D1B is a very dark, desaturated red, closest to the named color Ethereal Espresso. It belongs to the gray family of colors.
- What is the RGB value of #331D1B?
- The RGB value is 51, 29, 27: 51 red, 29 green and 27 blue on a 0 to 255 scale.
- What is the complementary color of #331D1B?
- The complementary color is #1B3133, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #331D1B?
- White text. Black text has a contrast ratio of 1.33:1 and white text 15.76:1. WCAG asks for at least 4.5:1 for normal text.