The hex color #3b39c8 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C4C637. The grayscale version is
#696969. A 20% lighter version of the original color is
#6E6CFB, and Hex
#080695 is the 20% darker color. If the color is saturated by 10%, you get
#3634D1. If the color is desaturated by 10%, the color
#403EBF is obtained.