The hex color #0c27ab is a dark color. The web-safe version is Hex
#003399. A complementary color is
#F3D854. The grayscale version is
#4A4A4A. A 20% lighter version of the original color is
#3F5ADE, and Hex
#000078 is the 20% darker color. If the color is saturated by 10%, you get
#0624B5. If the color is desaturated by 10%, the color
#122BA1 is obtained.