The hex color #3c46f3 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#C3B90C. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#6F79FF, and Hex
#0913C0 is the 20% darker color. If the color is saturated by 10%, you get
#3641FF. If the color is desaturated by 10%, the color
#424BE7 is obtained.