The hex color #1a1cee is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#E5E311. The grayscale version is
#616161. A 20% lighter version of the original color is
#4D4FFF, and Hex
#0000BB is the 20% darker color. If the color is saturated by 10%, you get
#1315FC. If the color is desaturated by 10%, the color
#2123E0 is obtained.