#181F53
Dark Blue
HEX
RGB
HSL
About #181F53 Dark Blue
#181F53 is a dark blue color. In the RGB color model, it is composed of 24 red, 31 green, and 83 blue. In the HSL color space, it has a hue of 233°, saturation of 55%, and lightness of 21%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #181F53 in your CSS, SCSS, or Tailwind projects.
Color Properties
233°
Hue
55%
Saturation
21%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #181F53 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #181F53 against white and black backgrounds.
Aa#181F53 on White
Contrast Ratio15.44:1
AA ✓AA Large ✓AAA ✓
Aa#181F53 on Black
Contrast Ratio1.36:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #181F53 across different color formats.
| Format | Value |
|---|---|
| HEX | #181F53 |
| RGB | rgb(24, 31, 83) |
| HSL | hsl(233, 55%, 21%) |
| RGB Decimal | 24, 31, 83 |
| RGB Percent | 9.4%, 12.2%, 32.5% |
| CMYK (approx.) | 71%, 63%, 0%, 67% |
Related Palettes
12 palettes using #181F53 or similar colors