#21306E
Blue
HEX
RGB
HSL
About #21306E Blue
#21306E is a blue color. In the RGB color model, it is composed of 33 red, 48 green, and 110 blue. In the HSL color space, it has a hue of 228°, saturation of 54%, and lightness of 28%.
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 #21306E in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
228°
Hue
54%
Saturation
28%
Lightness
Blue
Color Harmonies
Colors that work well with #21306E based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #21306E against white and black backgrounds.
Aa#21306E on White
Contrast Ratio12.26:1
AA ✓AA Large ✓AAA ✓
Aa#21306E on Black
Contrast Ratio1.71:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #21306E across different color formats.
| Format | Value |
|---|---|
| HEX | #21306E |
| RGB | rgb(33, 48, 110) |
| HSL | hsl(228, 54%, 28%) |
| RGB Decimal | 33, 48, 110 |
| RGB Percent | 12.9%, 18.8%, 43.1% |
| CMYK (approx.) | 70%, 56%, 0%, 57% |
Related Palettes
12 palettes using #21306E or similar colors