#28307B
Blue
HEX
RGB
HSL
About #28307B Blue
#28307B is a blue color. In the RGB color model, it is composed of 40 red, 48 green, and 123 blue. In the HSL color space, it has a hue of 234°, saturation of 51%, and lightness of 32%.
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 #28307B in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
234°
Hue
51%
Saturation
32%
Lightness
Blue
Color Harmonies
Colors that work well with #28307B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #28307B against white and black backgrounds.
Aa#28307B on White
Contrast Ratio11.67:1
AA ✓AA Large ✓AAA ✓
Aa#28307B on Black
Contrast Ratio1.8:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #28307B across different color formats.
| Format | Value |
|---|---|
| HEX | #28307B |
| RGB | rgb(40, 48, 123) |
| HSL | hsl(234, 51%, 32%) |
| RGB Decimal | 40, 48, 123 |
| RGB Percent | 15.7%, 18.8%, 48.2% |
| CMYK (approx.) | 67%, 61%, 0%, 52% |
Related Palettes
12 palettes using #28307B or similar colors