#21509C
Blue
HEX
RGB
HSL
About #21509C Blue
#21509C is a blue color. In the RGB color model, it is composed of 33 red, 80 green, and 156 blue. In the HSL color space, it has a hue of 217°, saturation of 65%, and lightness of 37%.
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 #21509C in your CSS, SCSS, or Tailwind projects.
Color Properties
217°
Hue
65%
Saturation
37%
Lightness
Blue
Color Harmonies
Colors that work well with #21509C based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #21509C against white and black backgrounds.
Aa#21509C on White
Contrast Ratio7.8:1
AA ✓AA Large ✓AAA ✓
Aa#21509C on Black
Contrast Ratio2.69:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #21509C across different color formats.
| Format | Value |
|---|---|
| HEX | #21509C |
| RGB | rgb(33, 80, 156) |
| HSL | hsl(217, 65%, 37%) |
| RGB Decimal | 33, 80, 156 |
| RGB Percent | 12.9%, 31.4%, 61.2% |
| CMYK (approx.) | 79%, 49%, 0%, 39% |
Related Palettes
12 palettes using #21509C or similar colors