The hex color #a636b4 is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#59C94B. The grayscale version is
#858585. A 20% lighter version of the original color is
#D969E7, and Hex
#730381 is the 20% darker color. If the color is saturated by 10%, you get
#A92EB9. If the color is desaturated by 10%, the color
#A33EAF is obtained.