#283F48
Dark Blue
HEX
RGB
HSL
About #283F48 Dark Blue
#283F48 is a dark blue color. In the RGB color model, it is composed of 40 red, 63 green, and 72 blue. In the HSL color space, it has a hue of 197°, saturation of 29%, and lightness of 22%.
This color has a low lightness value, making it a dark color great for text and bold accents. With low saturation, it appears muted and subtle.
CSS Code
Use #283F48 in your CSS, SCSS, or Tailwind projects.
Color Properties
197°
Hue
29%
Saturation
22%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #283F48 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #283F48 against white and black backgrounds.
Aa#283F48 on White
Contrast Ratio11.08:1
AA ✓AA Large ✓AAA ✓
Aa#283F48 on Black
Contrast Ratio1.89:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #283F48 across different color formats.
| Format | Value |
|---|---|
| HEX | #283F48 |
| RGB | rgb(40, 63, 72) |
| HSL | hsl(197, 29%, 22%) |
| RGB Decimal | 40, 63, 72 |
| RGB Percent | 15.7%, 24.7%, 28.2% |
| CMYK (approx.) | 44%, 13%, 0%, 72% |
Related Palettes
12 palettes using #283F48 or similar colors