The hex color #1c36a2 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#E3C95D. The grayscale version is
#515151. A 20% lighter version of the original color is
#4F69D5, and Hex
#00036F is the 20% darker color. If the color is saturated by 10%, you get
#1733AA. If the color is desaturated by 10%, the color
#21399A is obtained.