The hex color #a566a1 is a dark color. The web-safe version is Hex
#996699. A complementary color is
#5A995E. The grayscale version is
#8F8F8F. A 20% lighter version of the original color is
#D899D4, and Hex
#72336E is the 20% darker color. If the color is saturated by 10%, you get
#A762A3. If the color is desaturated by 10%, the color
#A36A9F is obtained.