#21377D
Blue
HEX
RGB
HSL
About #21377D Blue
#21377D is a blue color. In the RGB color model, it is composed of 33 red, 55 green, and 125 blue. In the HSL color space, it has a hue of 226°, saturation of 58%, and lightness of 31%.
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 #21377D in your CSS, SCSS, or Tailwind projects.
Color Properties
226°
Hue
58%
Saturation
31%
Lightness
Blue
Color Harmonies
Colors that work well with #21377D based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #21377D against white and black backgrounds.
Aa#21377D on White
Contrast Ratio11.01:1
AA ✓AA Large ✓AAA ✓
Aa#21377D on Black
Contrast Ratio1.91:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #21377D across different color formats.
| Format | Value |
|---|---|
| HEX | #21377D |
| RGB | rgb(33, 55, 125) |
| HSL | hsl(226, 58%, 31%) |
| RGB Decimal | 33, 55, 125 |
| RGB Percent | 12.9%, 21.6%, 49.0% |
| CMYK (approx.) | 74%, 56%, 0%, 51% |
Related Palettes
12 palettes using #21377D or similar colors