The hex color #bd37f5 is a dark color. The web-safe version is Hex
#CC33FF. A complementary color is
#42C80A. The grayscale version is
#A3A3A3. A 20% lighter version of the original color is
#F06AFF, and Hex
#8A04C2 is the 20% darker color. If the color is saturated by 10%, you get
#C02CFD. If the color is desaturated by 10%, the color
#BA42ED is obtained.