The hex color #3b33a8 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#C4CC57. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#6E66DB, and Hex
#080075 is the 20% darker color. If the color is saturated by 10%, you get
#382FB0. If the color is desaturated by 10%, the color
#3E37A0 is obtained.