The hex color #2f36d3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D0C92C. The grayscale version is
#686868. A 20% lighter version of the original color is
#6269FF, and Hex
#0003A0 is the 20% darker color. If the color is saturated by 10%, you get
#2931DE. If the color is desaturated by 10%, the color
#353BC8 is obtained.