#213D78
Blue
HEX
RGB
HSL
About #213D78 Blue
#213D78 is a blue color. In the RGB color model, it is composed of 33 red, 61 green, and 120 blue. In the HSL color space, it has a hue of 221°, saturation of 57%, and lightness of 30%.
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 & Gradients
Use #213D78 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
221°
Hue
57%
Saturation
30%
Lightness
Blue
Color Harmonies
Colors that work well with #213D78 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #213D78 against white and black backgrounds.
Aa#213D78 on White
Contrast Ratio10.48:1
AA ✓AA Large ✓AAA ✓
Aa#213D78 on Black
Contrast Ratio2:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #213D78 across different color formats.
| Format | Value |
|---|---|
| HEX | #213D78 |
| RGB | rgb(33, 61, 120) |
| HSL | hsl(221, 57%, 30%) |
| RGB Decimal | 33, 61, 120 |
| RGB Percent | 12.9%, 23.9%, 47.1% |
| CMYK (approx.) | 73%, 49%, 0%, 53% |
Related Palettes
12 palettes using #213D78 or similar colors