The hex color #3e30f5 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#C1CF0A. The grayscale version is
#767676. A 20% lighter version of the original color is
#7163FF, and Hex
#0B00C2 is the 20% darker color. If the color is saturated by 10%, you get
#3829FF. If the color is desaturated by 10%, the color
#4437E8 is obtained.