The hex color #a131fb is a dark color. The web-safe version is Hex
#9933FF. A complementary color is
#5ECE04. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#D464FF, and Hex
#6E00C8 is the 20% darker color. If the color is saturated by 10%, you get
#A227FF. If the color is desaturated by 10%, the color
#A03BF1 is obtained.