#283F81
Blue
HEX
RGB
HSL
About #283F81 Blue
#283F81 is a blue color. In the RGB color model, it is composed of 40 red, 63 green, and 129 blue. In the HSL color space, it has a hue of 224°, saturation of 53%, and lightness of 33%.
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 #283F81 in your CSS, SCSS, or Tailwind projects.
Color Properties
224°
Hue
53%
Saturation
33%
Lightness
Blue
Color Harmonies
Colors that work well with #283F81 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #283F81 against white and black backgrounds.
Aa#283F81 on White
Contrast Ratio9.91:1
AA ✓AA Large ✓AAA ✓
Aa#283F81 on Black
Contrast Ratio2.12:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #283F81 across different color formats.
| Format | Value |
|---|---|
| HEX | #283F81 |
| RGB | rgb(40, 63, 129) |
| HSL | hsl(224, 53%, 33%) |
| RGB Decimal | 40, 63, 129 |
| RGB Percent | 15.7%, 24.7%, 50.6% |
| CMYK (approx.) | 69%, 51%, 0%, 49% |
Related Palettes
12 palettes using #283F81 or similar colors