#283F4D
Dark Blue
HEX
RGB
HSL
About #283F4D Dark Blue
#283F4D is a dark blue color. In the RGB color model, it is composed of 40 red, 63 green, and 77 blue. In the HSL color space, it has a hue of 203°, saturation of 32%, and lightness of 23%.
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 #283F4D in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
203°
Hue
32%
Saturation
23%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #283F4D based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #283F4D against white and black backgrounds.
Aa#283F4D on White
Contrast Ratio11:1
AA ✓AA Large ✓AAA ✓
Aa#283F4D on Black
Contrast Ratio1.91:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #283F4D across different color formats.
| Format | Value |
|---|---|
| HEX | #283F4D |
| RGB | rgb(40, 63, 77) |
| HSL | hsl(203, 32%, 23%) |
| RGB Decimal | 40, 63, 77 |
| RGB Percent | 15.7%, 24.7%, 30.2% |
| CMYK (approx.) | 48%, 18%, 0%, 70% |
Related Palettes
12 palettes using #283F4D or similar colors