#646D78
Gray
HEX
RGB
HSL
About #646D78 Gray
#646D78 is a gray color. In the RGB color model, it is composed of 100 red, 109 green, and 120 blue. In the HSL color space, it has a hue of 213°, saturation of 9%, and lightness of 43%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With low saturation, it appears muted and subtle.
CSS Code
Use #646D78 in your CSS, SCSS, or Tailwind projects.
Color Properties
213°
Hue
9%
Saturation
43%
Lightness
Gray
Color Harmonies
Colors that work well with #646D78 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #646D78 against white and black backgrounds.
Aa#646D78 on White
Contrast Ratio5.25:1
AA ✓AA Large ✓AAA ✗
Aa#646D78 on Black
Contrast Ratio4:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #646D78 across different color formats.
| Format | Value |
|---|---|
| HEX | #646D78 |
| RGB | rgb(100, 109, 120) |
| HSL | hsl(213, 9%, 43%) |
| RGB Decimal | 100, 109, 120 |
| RGB Percent | 39.2%, 42.7%, 47.1% |
| CMYK (approx.) | 17%, 9%, 0%, 53% |
Related Palettes
12 palettes using #646D78 or similar colors