The hex color #a749e8 is a dark color. The web-safe version is Hex
#9933FF. A complementary color is
#58B617. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#DA7CFF, and Hex
#7416B5 is the 20% darker color. If the color is saturated by 10%, you get
#A841EF. If the color is desaturated by 10%, the color
#A651E1 is obtained.