#666864
Gray
HEX
RGB
HSL
About #666864 Gray
#666864 is a gray color. In the RGB color model, it is composed of 102 red, 104 green, and 100 blue. In the HSL color space, it has a hue of 90°, saturation of 2%, and lightness of 40%.
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 #666864 in your CSS, SCSS, or Tailwind projects.
Color Properties
90°
Hue
2%
Saturation
40%
Lightness
Gray
Color Harmonies
Colors that work well with #666864 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #666864 against white and black backgrounds.
Aa#666864 on White
Contrast Ratio5.63:1
AA ✓AA Large ✓AAA ✗
Aa#666864 on Black
Contrast Ratio3.73:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #666864 across different color formats.
| Format | Value |
|---|---|
| HEX | #666864 |
| RGB | rgb(102, 104, 100) |
| HSL | hsl(90, 2%, 40%) |
| RGB Decimal | 102, 104, 100 |
| RGB Percent | 40.0%, 40.8%, 39.2% |
| CMYK (approx.) | 2%, 0%, 4%, 59% |
Related Palettes
12 palettes using #666864 or similar colors