The hex color #2f36d0 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D0C92F. The grayscale version is
#676767. A 20% lighter version of the original color is
#6269FF, and Hex
#00039D is the 20% darker color. If the color is saturated by 10%, you get
#2931DB. If the color is desaturated by 10%, the color
#353BC6 is obtained.