#1B172A color
The hex color #1B172A is a very dark, desaturated violet.
In the RGB color model it is made of 10.6% red, 9% green and 16.5% blue (27, 23, 42).
Its hue angle is 253°, with 29% saturation and 13% lightness. For print, the CMYK equivalent is 36% cyan, 45% magenta, 0% yellow and 84% black.
The closest named color is Corbeau (#111122), a difference of 3.6 ΔE, a small difference.
White text is the more readable choice on this background (contrast 17.46:1).
#1B172A color codes
| HEX | #1B172A | |
|---|---|---|
| RGB | rgb(27, 23, 42) | |
| RGB percent | rgb(10.6%, 9%, 16.5%) | |
| HSL | hsl(253, 29%, 13%) | |
| HSV / HSB | hsv(253, 45%, 16%) | |
| CMYK | cmyk(36%, 45%, 0%, 84%) | |
| CIE LAB | lab(9.1, 7.47, -12.2) | |
| CIE LCH | lch(9.1, 14.3, 301.47) | |
| CIE XYZ | xyz(1.176, 1.013, 2.324) | |
| Decimal | 1775402 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1B172A, 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 #1B172A | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.2:1 | Fail | Fail | Fail |
| Sample text | 17.46:1 | Pass | Pass | Pass |
| #1B172A as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.46:1 | Pass | Pass | Pass |
| Sample text | 1.2:1 | 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 #1B172A looks to people with the most common types of color vision deficiency.
#121a2bProtanopia
no red cones#12192aDeuteranopia
no green cones#181a1eTritanopia
no blue cones#1a1a1aAchromatopsia
no color vision
CSS examples
.background { background-color: #1b172a; }
.text { color: #1b172a; }
.border { border: 2px solid #1b172a; }
.transparent { background-color: rgb(27 23 42 / 50%); }
.gradient { background: linear-gradient(to right, #1b172a, #25172a); }
Similar colors
#111122Corbeau#151931Dark Knight#222233Black Velvet#1f2133Eclipse Elixir#161e34Sombre Night#1d0d1dShot in the Dark#161d3bNightwalker#050d25Void
Closest common color name: Dark Purple.
Questions
- What color is #1B172A?
- #1B172A is a very dark, desaturated violet, closest to the named color Corbeau. It belongs to the black family of colors.
- What is the RGB value of #1B172A?
- The RGB value is 27, 23, 42: 27 red, 23 green and 42 blue on a 0 to 255 scale.
- What is the complementary color of #1B172A?
- The complementary color is #262A17, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1B172A?
- White text. Black text has a contrast ratio of 1.2:1 and white text 17.46:1. WCAG asks for at least 4.5:1 for normal text.