The hex color #1a1cb6 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E5E349. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#4D4FE9, and Hex
#000083 is the 20% darker color. If the color is saturated by 10%, you get
#1517C0. If the color is desaturated by 10%, the color
#1F21AC is obtained.