The hex color #3a4fe2 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#C5B01D. The grayscale version is
#797979. A 20% lighter version of the original color is
#6D82FF, and Hex
#071CAF is the 20% darker color. If the color is saturated by 10%, you get
#344BED. If the color is desaturated by 10%, the color
#4053D8 is obtained.