The hex color #512bb7 is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#AED448. The grayscale version is
#666666. A 20% lighter version of the original color is
#845EEA, and Hex
#1E0084 is the 20% darker color. If the color is saturated by 10%, you get
#4F25BF. If the color is desaturated by 10%, the color
#5331AF is obtained.