#283F8F
Blue
HEX
RGB
HSL
About #283F8F Blue
#283F8F is a blue color. In the RGB color model, it is composed of 40 red, 63 green, and 143 blue. In the HSL color space, it has a hue of 227°, saturation of 56%, and lightness of 36%.
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 #283F8F in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
227°
Hue
56%
Saturation
36%
Lightness
Blue
Color Harmonies
Colors that work well with #283F8F based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #283F8F against white and black backgrounds.
Aa#283F8F on White
Contrast Ratio9.55:1
AA ✓AA Large ✓AAA ✓
Aa#283F8F on Black
Contrast Ratio2.2:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #283F8F across different color formats.
| Format | Value |
|---|---|
| HEX | #283F8F |
| RGB | rgb(40, 63, 143) |
| HSL | hsl(227, 56%, 36%) |
| RGB Decimal | 40, 63, 143 |
| RGB Percent | 15.7%, 24.7%, 56.1% |
| CMYK (approx.) | 72%, 56%, 0%, 44% |
Related Palettes
12 palettes using #283F8F or similar colors