#18182B color
The hex color #18182B is a very dark, desaturated blue.
In the RGB color model it is made of 9.4% red, 9.4% green and 16.9% blue (24, 24, 43).
Its hue angle is 240°, with 28% saturation and 13% lightness. For print, the CMYK equivalent is 44% cyan, 44% magenta, 0% yellow and 83% black.
The closest named color is Dark Knight (#151931), a difference of 2.4 ΔE, a small difference.
White text is the more readable choice on this background (contrast 17.44:1).
#18182B color codes
| HEX | #18182B | |
|---|---|---|
| RGB | rgb(24, 24, 43) | |
| RGB percent | rgb(9.4%, 9.4%, 16.9%) | |
| HSL | hsl(240, 28%, 13%) | |
| HSV / HSB | hsv(240, 44%, 17%) | |
| CMYK | cmyk(44%, 44%, 0%, 83%) | |
| CIE LAB | lab(9.17, 5.93, -12.85) | |
| CIE LCH | lch(9.17, 14.15, 294.76) | |
| CIE XYZ | xyz(1.139, 1.022, 2.422) | |
| Decimal | 1579051 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #18182B, 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 #18182B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.2:1 | Fail | Fail | Fail |
| Sample text | 17.44:1 | Pass | Pass | Pass |
| #18182B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.44:1 | 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 #18182B looks to people with the most common types of color vision deficiency.
#121a2cProtanopia
no red cones#11192bDeuteranopia
no green cones#131c1fTritanopia
no blue cones#1a1a1aAchromatopsia
no color vision
CSS examples
.background { background-color: #18182b; }
.text { color: #18182b; }
.border { border: 2px solid #18182b; }
.transparent { background-color: rgb(24 24 43 / 50%); }
.gradient { background: linear-gradient(to right, #18182b, #22182b); }
Similar colors
#151931Dark Knight#111122Corbeau#1f2133Eclipse Elixir#222233Black Velvet#161e34Sombre Night#050d25Void#161d3bNightwalker#21263aMidnight Express
Closest common color name: Oxford Blue.
Questions
- What color is #18182B?
- #18182B 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 #18182B?
- The RGB value is 24, 24, 43: 24 red, 24 green and 43 blue on a 0 to 255 scale.
- What is the complementary color of #18182B?
- The complementary color is #2B2B18, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #18182B?
- White text. Black text has a contrast ratio of 1.2:1 and white text 17.44:1. WCAG asks for at least 4.5:1 for normal text.