#1B151F color
The hex color #1B151F is a very dark, grayish violet.
In the RGB color model it is made of 10.6% red, 8.2% green and 12.2% blue (27, 21, 31).
Its hue angle is 276°, with 19% saturation and 10% lightness. For print, the CMYK equivalent is 13% cyan, 32% magenta, 0% yellow and 88% black.
The closest named color is Violet Void (#1A161D), a difference of 2.3 ΔE, a small difference.
White text is the more readable choice on this background (contrast 17.89:1).
#1B151F color codes
| HEX | #1B151F | |
|---|---|---|
| RGB | rgb(27, 21, 31) | |
| RGB percent | rgb(10.6%, 8.2%, 12.2%) | |
| HSL | hsl(276, 19%, 10%) | |
| HSV / HSB | hsv(276, 32%, 12%) | |
| CMYK | cmyk(13%, 32%, 0%, 88%) | |
| CIE LAB | lab(7.84, 5.59, -5.89) | |
| CIE LCH | lch(7.84, 8.12, 313.5) | |
| CIE XYZ | xyz(0.967, 0.868, 1.413) | |
| Decimal | 1774879 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1B151F, 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 #1B151F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.17:1 | Fail | Fail | Fail |
| Sample text | 17.89:1 | Pass | Pass | Pass |
| #1B151F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.89:1 | Pass | Pass | Pass |
| Sample text | 1.17:1 | 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 #1B151F looks to people with the most common types of color vision deficiency.
#14171fProtanopia
no red cones#15171fDeuteranopia
no green cones#1b1618Tritanopia
no blue cones#171717Achromatopsia
no color vision
CSS examples
.background { background-color: #1b151f; }
.text { color: #1b151f; }
.border { border: 2px solid #1b151f; }
.transparent { background-color: rgb(27 21 31 / 50%); }
.gradient { background: linear-gradient(to right, #1b151f, #1f151e); }
Similar colors
#1a161dViolet Void#16141cBack in Black#201b20Night Demons#150811Noir Fiction#110011Glossy Black#16161dEigengrau#180614Crow#1f1518Bats Cloak
Closest common color name: Licorice.
Questions
- What color is #1B151F?
- #1B151F is a very dark, grayish violet, closest to the named color Violet Void. It belongs to the black family of colors.
- What is the RGB value of #1B151F?
- The RGB value is 27, 21, 31: 27 red, 21 green and 31 blue on a 0 to 255 scale.
- What is the complementary color of #1B151F?
- The complementary color is #191F15, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1B151F?
- White text. Black text has a contrast ratio of 1.17:1 and white text 17.89:1. WCAG asks for at least 4.5:1 for normal text.