#181A35 color
The hex color #181A35 is a very dark, desaturated blue.
In the RGB color model it is made of 9.4% red, 10.2% green and 20.8% blue (24, 26, 53).
Its hue angle is 236°, with 38% saturation and 15% lightness. For print, the CMYK equivalent is 55% cyan, 51% magenta, 0% yellow and 79% black.
The closest named color is Dark Knight (#151931), a difference of 1.6 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 16.96:1).
#181A35 color codes
| HEX | #181A35 | |
|---|---|---|
| RGB | rgb(24, 26, 53) | |
| RGB percent | rgb(9.4%, 10.2%, 20.8%) | |
| HSL | hsl(236, 38%, 15%) | |
| HSV / HSB | hsv(236, 55%, 21%) | |
| CMYK | cmyk(55%, 51%, 0%, 79%) | |
| CIE LAB | lab(10.48, 8.08, -18.08) | |
| CIE LCH | lch(10.48, 19.8, 294.08) | |
| CIE XYZ | xyz(1.388, 1.19, 3.524) | |
| Decimal | 1579573 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #181A35, 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 #181A35 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.24:1 | Fail | Fail | Fail |
| Sample text | 16.96:1 | Pass | Pass | Pass |
| #181A35 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 16.96:1 | Pass | Pass | Pass |
| Sample text | 1.24:1 | 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 #181A35 looks to people with the most common types of color vision deficiency.
#0f1e36Protanopia
no red cones#0d1b34Deuteranopia
no green cones#0e2024Tritanopia
no blue cones#1c1c1cAchromatopsia
no color vision
CSS examples
.background { background-color: #181a35; }
.text { color: #181a35; }
.border { border: 2px solid #181a35; }
.transparent { background-color: rgb(24 26 53 / 50%); }
.gradient { background: linear-gradient(to right, #181a35, #241835); }
Similar colors
#151931Dark Knight#161d3bNightwalker#222244Black Market#161e34Sombre Night#041330Squid’s Ink#060929Mysterious Depths#1f2133Eclipse Elixir#2a2243Midnight Velvet
Closest common color name: Oxford Blue.
Questions
- What color is #181A35?
- #181A35 is a very dark, desaturated blue, closest to the named color Dark Knight. It belongs to the black family of colors.
- What is the RGB value of #181A35?
- The RGB value is 24, 26, 53: 24 red, 26 green and 53 blue on a 0 to 255 scale.
- What is the complementary color of #181A35?
- The complementary color is #353318, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #181A35?
- White text. Black text has a contrast ratio of 1.24:1 and white text 16.96:1. WCAG asks for at least 4.5:1 for normal text.