The hex color #2e33e3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D1CC1C. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#6166FF, and Hex
#0000B0 is the 20% darker color. If the color is saturated by 10%, you get
#282DEF. If the color is desaturated by 10%, the color
#3439D7 is obtained.