#1D172B color
The hex color #1D172B is a very dark, desaturated violet.
In the RGB color model it is made of 11.4% red, 9% green and 16.9% blue (29, 23, 43).
Its hue angle is 258°, with 30% saturation and 13% lightness. For print, the CMYK equivalent is 33% cyan, 47% magenta, 0% yellow and 83% black.
The closest named color is Dark Knight (#151931), a difference of 4.3 ΔE, a small difference.
White text is the more readable choice on this background (contrast 17.36:1).
#1D172B color codes
| HEX | #1D172B | |
|---|---|---|
| RGB | rgb(29, 23, 43) | |
| RGB percent | rgb(11.4%, 9%, 16.9%) | |
| HSL | hsl(258, 30%, 13%) | |
| HSV / HSB | hsv(258, 47%, 17%) | |
| CMYK | cmyk(33%, 47%, 0%, 83%) | |
| CIE LAB | lab(9.39, 8.56, -12.47) | |
| CIE LCH | lch(9.39, 15.13, 304.46) | |
| CIE XYZ | xyz(1.249, 1.048, 2.422) | |
| Decimal | 1906475 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1D172B, 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 #1D172B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.21:1 | Fail | Fail | Fail |
| Sample text | 17.36:1 | Pass | Pass | Pass |
| #1D172B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.36:1 | Pass | Pass | Pass |
| Sample text | 1.21:1 | 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 #1D172B looks to people with the most common types of color vision deficiency.
#121a2cProtanopia
no red cones#131a2aDeuteranopia
no green cones#1a1a1eTritanopia
no blue cones#1a1a1aAchromatopsia
no color vision
CSS examples
.background { background-color: #1d172b; }
.text { color: #1d172b; }
.border { border: 2px solid #1d172b; }
.transparent { background-color: rgb(29 23 43 / 50%); }
.gradient { background: linear-gradient(to right, #1d172b, #27172b); }
Similar colors
#151931Dark Knight#111122Corbeau#222233Black Velvet#1f2133Eclipse Elixir#1d0d1dShot in the Dark#161d3bNightwalker#2a2243Midnight Velvet#161e34Sombre Night
Closest common color name: Dark Purple.
Questions
- What color is #1D172B?
- #1D172B is a very dark, desaturated violet, closest to the named color Dark Knight. It belongs to the black family of colors.
- What is the RGB value of #1D172B?
- The RGB value is 29, 23, 43: 29 red, 23 green and 43 blue on a 0 to 255 scale.
- What is the complementary color of #1D172B?
- The complementary color is #252B17, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1D172B?
- White text. Black text has a contrast ratio of 1.21:1 and white text 17.36:1. WCAG asks for at least 4.5:1 for normal text.