The hex color #1e15cb is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#E1EA34. The grayscale version is
#555555. A 20% lighter version of the original color is
#5148FE, and Hex
#000098 is the 20% darker color. If the color is saturated by 10%, you get
#190FD7. If the color is desaturated by 10%, the color
#231BBF is obtained.