The hex color #a37ff0 is a light color. The web-safe version is Hex
#9966FF. A complementary color is
#5C800F. The grayscale version is
#B1B1B1. A 20% lighter version of the original color is
#D6B2FF, and Hex
#704CBD is the 20% darker color. If the color is saturated by 10%, you get
#A27AF6. If the color is desaturated by 10%, the color
#A484EA is obtained.