#311D18 color
The hex color #311D18 is a very dark, desaturated red.
In the RGB color model it is made of 19.2% red, 11.4% green and 9.4% blue (49, 29, 24).
Its hue angle is 12°, with 34% saturation and 14% lightness. For print, the CMYK equivalent is 0% cyan, 41% magenta, 51% yellow and 81% black.
The closest named color is Ethereal Espresso (#3E2723), a difference of 3.6 ΔE, a small difference.
White text is the more readable choice on this background (contrast 15.91:1).
#311D18 color codes
| HEX | #311D18 | |
|---|---|---|
| RGB | rgb(49, 29, 24) | |
| RGB percent | rgb(19.2%, 11.4%, 9.4%) | |
| HSL | hsl(12, 34%, 14%) | |
| HSV / HSB | hsv(12, 51%, 19%) | |
| CMYK | cmyk(0%, 41%, 51%, 81%) | |
| CIE LAB | lab(13.22, 9.07, 7.48) | |
| CIE LCH | lch(13.22, 11.76, 39.53) | |
| CIE XYZ | xyz(1.871, 1.598, 1.074) | |
| Decimal | 3218712 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #311D18, 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 #311D18 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.32:1 | Fail | Fail | Fail |
| Sample text | 15.91:1 | Pass | Pass | Pass |
| #311D18 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 15.91:1 | Pass | Pass | Pass |
| Sample text | 1.32:1 | 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 #311D18 looks to people with the most common types of color vision deficiency.
#222018Protanopia
no red cones#262418Deuteranopia
no green cones#351a1cTritanopia
no blue cones#222222Achromatopsia
no color vision
CSS examples
.background { background-color: #311d18; }
.text { color: #311d18; }
.border { border: 2px solid #311d18; }
.transparent { background-color: rgb(49 29 24 / 50%); }
.gradient { background: linear-gradient(to right, #311d18, #312918); }
Similar colors
#3e2723Ethereal Espresso#2d1403Shadow Play#3e2b23English Walnut#221111Italian Roast#251b19Dark Orchestra#372528Aubergine#3b2b2cHavana#302621Wood Bark
Closest common color name: Licorice.
Questions
- What color is #311D18?
- #311D18 is a very dark, desaturated red, closest to the named color Ethereal Espresso. It belongs to the black family of colors.
- What is the RGB value of #311D18?
- The RGB value is 49, 29, 24: 49 red, 29 green and 24 blue on a 0 to 255 scale.
- What is the complementary color of #311D18?
- The complementary color is #182C31, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #311D18?
- White text. Black text has a contrast ratio of 1.32:1 and white text 15.91:1. WCAG asks for at least 4.5:1 for normal text.