#1B1D2A color
The hex color #1B1D2A is a very dark, grayish blue.
In the RGB color model it is made of 10.6% red, 11.4% green and 16.5% blue (27, 29, 42).
Its hue angle is 232°, with 22% saturation and 14% lightness. For print, the CMYK equivalent is 36% cyan, 31% magenta, 0% yellow and 84% black.
The closest named color is Moonless Mystery (#1E2433), a difference of 2.9 ΔE, a small difference.
White text is the more readable choice on this background (contrast 16.72:1).
#1B1D2A color codes
| HEX | #1B1D2A | |
|---|---|---|
| RGB | rgb(27, 29, 42) | |
| RGB percent | rgb(10.6%, 11.4%, 16.5%) | |
| HSL | hsl(232, 22%, 14%) | |
| HSV / HSB | hsv(232, 36%, 16%) | |
| CMYK | cmyk(36%, 31%, 0%, 84%) | |
| CIE LAB | lab(11.13, 2.93, -9.05) | |
| CIE LCH | lch(11.13, 9.52, 287.92) | |
| CIE XYZ | xyz(1.309, 1.279, 2.368) | |
| Decimal | 1776938 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1B1D2A, 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 #1B1D2A | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.26:1 | Fail | Fail | Fail |
| Sample text | 16.72:1 | Pass | Pass | Pass |
| #1B1D2A as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 16.72:1 | Pass | Pass | Pass |
| Sample text | 1.26:1 | 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 #1B1D2A looks to people with the most common types of color vision deficiency.
#191e2bProtanopia
no red cones#181d2aDeuteranopia
no green cones#171f21Tritanopia
no blue cones#1e1e1eAchromatopsia
no color vision
CSS examples
.background { background-color: #1b1d2a; }
.text { color: #1b1d2a; }
.border { border: 2px solid #1b1d2a; }
.transparent { background-color: rgb(27 29 42 / 50%); }
.gradient { background: linear-gradient(to right, #1b1d2a, #201b2a); }
Similar colors
#1e2433Moonless Mystery#1f2133Eclipse Elixir#222233Black Velvet#16161dEigengrau#16141cBack in Black#111122Corbeau#21263aMidnight Express#1b2431Dark
Closest common color name: Midnight Black.
Questions
- What color is #1B1D2A?
- #1B1D2A is a very dark, grayish blue, closest to the named color Moonless Mystery. It belongs to the black family of colors.
- What is the RGB value of #1B1D2A?
- The RGB value is 27, 29, 42: 27 red, 29 green and 42 blue on a 0 to 255 scale.
- What is the complementary color of #1B1D2A?
- The complementary color is #2A281B, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1B1D2A?
- White text. Black text has a contrast ratio of 1.26:1 and white text 16.72:1. WCAG asks for at least 4.5:1 for normal text.