The hex color #2d33e3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D2CC1C. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#6066FF, and Hex
#0000B0 is the 20% darker color. If the color is saturated by 10%, you get
#272DEF. If the color is desaturated by 10%, the color
#3339D7 is obtained.