The hex color #fa28f5 is a dark color. The web-safe version is Hex
#FF33FF. A complementary color is
#05D70A. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#FF5BFF, and Hex
#C700C2 is the 20% darker color. If the color is saturated by 10%, you get
#FF1AFC. If the color is desaturated by 10%, the color
#F336EE is obtained.