The hex color #15066c is a dark color. The web-safe version is Hex
#000066. A complementary color is
#EAF993. The grayscale version is
#2D2D2D. A 20% lighter version of the original color is
#48399F, and Hex
#000039 is the 20% darker color. If the color is saturated by 10%, you get
#130272. If the color is desaturated by 10%, the color
#170A66 is obtained.