#646E78
Gray
HEX
RGB
HSL
About #646E78 Gray
#646E78 is a gray color. In the RGB color model, it is composed of 100 red, 110 green, and 120 blue. In the HSL color space, it has a hue of 210°, 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 #646E78 in your CSS, SCSS, or Tailwind projects.
Color Properties
210°
Hue
9%
Saturation
43%
Lightness
Gray
Color Harmonies
Colors that work well with #646E78 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #646E78 against white and black backgrounds.
Aa#646E78 on White
Contrast Ratio5.19:1
AA ✓AA Large ✓AAA ✗
Aa#646E78 on Black
Contrast Ratio4.04:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #646E78 across different color formats.
| Format | Value |
|---|---|
| HEX | #646E78 |
| RGB | rgb(100, 110, 120) |
| HSL | hsl(210, 9%, 43%) |
| RGB Decimal | 100, 110, 120 |
| RGB Percent | 39.2%, 43.1%, 47.1% |
| CMYK (approx.) | 17%, 8%, 0%, 53% |
Related Palettes
12 palettes using #646E78 or similar colors