The hex color #2e36a3 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#D1C95C. The grayscale version is
#585858. A 20% lighter version of the original color is
#6169D6, and Hex
#000370 is the 20% darker color. If the color is saturated by 10%, you get
#2A33AB. If the color is desaturated by 10%, the color
#32399B is obtained.