The hex color #3e44df is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C1BB20. The grayscale version is
#767676. A 20% lighter version of the original color is
#7177FF, and Hex
#0B11AC is the 20% darker color. If the color is saturated by 10%, you get
#383FEA. If the color is desaturated by 10%, the color
#4449D4 is obtained.