The hex color #a036d5 is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#5FC92A. The grayscale version is
#8E8E8E. A 20% lighter version of the original color is
#D369FF, and Hex
#6D03A2 is the 20% darker color. If the color is saturated by 10%, you get
#A22DDC. If the color is desaturated by 10%, the color
#9E3FCE is obtained.