The hex color #2f36a0 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#D0C95F. The grayscale version is
#575757. A 20% lighter version of the original color is
#6269D3, and Hex
#00036D is the 20% darker color. If the color is saturated by 10%, you get
#2B33A7. If the color is desaturated by 10%, the color
#333999 is obtained.