The hex color #fa37e5 is a light color. The web-safe version is Hex
#FF33CC. A complementary color is
#05C81A. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#FF6AFF, and Hex
#C704B2 is the 20% darker color. If the color is saturated by 10%, you get
#FF2BEA. If the color is desaturated by 10%, the color
#F343E0 is obtained.