The hex color #140d9f is a dark color. The web-safe version is Hex
#000099. A complementary color is
#EBF260. The grayscale version is
#404040. A 20% lighter version of the original color is
#4740D2, and Hex
#00006C is the 20% darker color. If the color is saturated by 10%, you get
#1008A9. If the color is desaturated by 10%, the color
#181296 is obtained.