#283F71
Blue
HEX
RGB
HSL
About #283F71 Blue
#283F71 is a blue color. In the RGB color model, it is composed of 40 red, 63 green, and 113 blue. In the HSL color space, it has a hue of 221°, saturation of 48%, and lightness of 30%.
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 #283F71 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
221°
Hue
48%
Saturation
30%
Lightness
Blue
Color Harmonies
Colors that work well with #283F71 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #283F71 against white and black backgrounds.
Aa#283F71 on White
Contrast Ratio10.3:1
AA ✓AA Large ✓AAA ✓
Aa#283F71 on Black
Contrast Ratio2.04:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #283F71 across different color formats.
| Format | Value |
|---|---|
| HEX | #283F71 |
| RGB | rgb(40, 63, 113) |
| HSL | hsl(221, 48%, 30%) |
| RGB Decimal | 40, 63, 113 |
| RGB Percent | 15.7%, 24.7%, 44.3% |
| CMYK (approx.) | 65%, 44%, 0%, 56% |
Related Palettes
12 palettes using #283F71 or similar colors