The hex color #2e33d3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D1CC2C. The grayscale version is
#676767. A 20% lighter version of the original color is
#6166FF, and Hex
#0000A0 is the 20% darker color. If the color is saturated by 10%, you get
#282EDE. If the color is desaturated by 10%, the color
#3438C8 is obtained.