The hex color #3d33e2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C2CC1D. The grayscale version is
#717171. A 20% lighter version of the original color is
#7066FF, and Hex
#0A00AF is the 20% darker color. If the color is saturated by 10%, you get
#382DED. If the color is desaturated by 10%, the color
#4239D7 is obtained.