The hex color #7a55cc is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#85AA33. The grayscale version is
#898989. A 20% lighter version of the original color is
#AD88FF, and Hex
#472299 is the 20% darker color. If the color is saturated by 10%, you get
#7950D3. If the color is desaturated by 10%, the color
#7C5AC5 is obtained.