The hex color #a636a2 is a dark color. The web-safe version is Hex
#993399. A complementary color is
#59C95D. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#D969D5, and Hex
#73036F is the 20% darker color. If the color is saturated by 10%, you get
#AA2FA5. If the color is desaturated by 10%, the color
#A23D9F is obtained.