#0D182B color
The hex color #0D182B is a very dark, moderate azure.
In the RGB color model it is made of 5.1% red, 9.4% green and 16.9% blue (13, 24, 43).
Its hue angle is 218°, with 54% saturation and 11% lightness. For print, the CMYK equivalent is 70% cyan, 44% magenta, 0% yellow and 83% black.
The closest named color is Trapped Darkness (#0E1D32), a difference of 2 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 17.76:1).
#0D182B color codes
| HEX | #0D182B | |
|---|---|---|
| RGB | rgb(13, 24, 43) | |
| RGB percent | rgb(5.1%, 9.4%, 16.9%) | |
| HSL | hsl(218, 54%, 11%) | |
| HSV / HSB | hsv(218, 70%, 17%) | |
| CMYK | cmyk(70%, 44%, 0%, 83%) | |
| CIE LAB | lab(8.25, 2.38, -14.37) | |
| CIE LCH | lch(8.25, 14.56, 279.39) | |
| CIE XYZ | xyz(0.929, 0.913, 2.412) | |
| Decimal | 858155 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #0D182B, 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 #0D182B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.18:1 | Fail | Fail | Fail |
| Sample text | 17.76:1 | Pass | Pass | Pass |
| #0D182B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.76:1 | Pass | Pass | Pass |
| Sample text | 1.18:1 | 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 #0D182B looks to people with the most common types of color vision deficiency.
#101a2cProtanopia
no red cones#0c172bDeuteranopia
no green cones#001c1fTritanopia
no blue cones#181818Achromatopsia
no color vision
CSS examples
.background { background-color: #0d182b; }
.text { color: #0d182b; }
.border { border: 2px solid #0d182b; }
.transparent { background-color: rgb(13 24 43 / 50%); }
.gradient { background: linear-gradient(to right, #0d182b, #110d2b); }
Similar colors
#0e1d32Trapped Darkness#161e34Sombre Night#050d25Void#011c39Naval Night#111122Corbeau#151931Dark Knight#041330Squid’s Ink#1e2433Moonless Mystery
Closest common color name: Oxford Blue.
Questions
- What color is #0D182B?
- #0D182B is a very dark, moderate azure, closest to the named color Trapped Darkness. It belongs to the black family of colors.
- What is the RGB value of #0D182B?
- The RGB value is 13, 24, 43: 13 red, 24 green and 43 blue on a 0 to 255 scale.
- What is the complementary color of #0D182B?
- The complementary color is #2B200D, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #0D182B?
- White text. Black text has a contrast ratio of 1.18:1 and white text 17.76:1. WCAG asks for at least 4.5:1 for normal text.