The hex color #3c33d2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C3CC2D. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#6F66FF, and Hex
#09009F is the 20% darker color. If the color is saturated by 10%, you get
#372DDC. If the color is desaturated by 10%, the color
#4139C8 is obtained.