The hex color #2c3fd3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D3C02C. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#5F72FF, and Hex
#000CA0 is the 20% darker color. If the color is saturated by 10%, you get
#263BDE. If the color is desaturated by 10%, the color
#3243C9 is obtained.