The hex color #5E31C2 is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#A1CE3D. The grayscale version is
#707070. A 20% lighter version of the original color is
#9164F5, and Hex
#2B008F is the 20% darker color. If the color is saturated by 10%, you get
#5C2BCA. If the color is desaturated by 10%, the color
#6037BA is obtained.