#221F51
Dark Blue
HEX
RGB
HSL
About #221F51 Dark Blue
#221F51 is a dark blue color. In the RGB color model, it is composed of 34 red, 31 green, and 81 blue. In the HSL color space, it has a hue of 244°, saturation of 45%, and lightness of 22%.
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 #221F51 in your CSS, SCSS, or Tailwind projects.
Color Properties
244°
Hue
45%
Saturation
22%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #221F51 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #221F51 against white and black backgrounds.
Aa#221F51 on White
Contrast Ratio15.19:1
AA ✓AA Large ✓AAA ✓
Aa#221F51 on Black
Contrast Ratio1.38:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #221F51 across different color formats.
| Format | Value |
|---|---|
| HEX | #221F51 |
| RGB | rgb(34, 31, 81) |
| HSL | hsl(244, 45%, 22%) |
| RGB Decimal | 34, 31, 81 |
| RGB Percent | 13.3%, 12.2%, 31.8% |
| CMYK (approx.) | 58%, 62%, 0%, 68% |
Related Palettes
12 palettes using #221F51 or similar colors