The hex color #3e34d3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C1CB2C. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#7167FF, and Hex
#0B01A0 is the 20% darker color. If the color is saturated by 10%, you get
#392EDD. If the color is desaturated by 10%, the color
#433AC9 is obtained.