The hex color #3E35E2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C1CA1D. The grayscale version is
#727272. A 20% lighter version of the original color is
#7168FF, and Hex
#0B02AF is the 20% darker color. If the color is saturated by 10%, you get
#392FED. If the color is desaturated by 10%, the color
#433BD7 is obtained.