The hex color #1c37f6 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#E3C809. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#4F6AFF, and Hex
#0004C3 is the 20% darker color. If the color is saturated by 10%, you get
#1432FF. If the color is desaturated by 10%, the color
#243CE8 is obtained.