The hex color #5E31E2 is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#A1CE1D. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#9164FF, and Hex
#2B00AF is the 20% darker color. If the color is saturated by 10%, you get
#5B2AEC. If the color is desaturated by 10%, the color
#6138D8 is obtained.