The hex color #2d36e5 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D2C91A. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#6069FF, and Hex
#0003B2 is the 20% darker color. If the color is saturated by 10%, you get
#2730F1. If the color is desaturated by 10%, the color
#333CD9 is obtained.