The hex color #3d2ec5 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C2D13A. The grayscale version is
#656565. A 20% lighter version of the original color is
#7061F8, and Hex
#0A0092 is the 20% darker color. If the color is saturated by 10%, you get
#3928CF. If the color is desaturated by 10%, the color
#4134BB is obtained.