The hex color #2b2aa9 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#D4D556. The grayscale version is
#555555. A 20% lighter version of the original color is
#5E5DDC, and Hex
#000076 is the 20% darker color. If the color is saturated by 10%, you get
#2726B1. If the color is desaturated by 10%, the color
#2F2EA1 is obtained.