The hex color #7e66a3 is a dark color. The web-safe version is Hex
#666699. A complementary color is
#81995C. The grayscale version is
#828282. A 20% lighter version of the original color is
#B199D6, and Hex
#4B3370 is the 20% darker color. If the color is saturated by 10%, you get
#7E63A6. If the color is desaturated by 10%, the color
#7E69A0 is obtained.