The hex color #3a33d2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C5CC2D. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#6D66FF, and Hex
#07009F is the 20% darker color. If the color is saturated by 10%, you get
#352DDC. If the color is desaturated by 10%, the color
#3F39C8 is obtained.