The hex color #152ccc is a dark color. The web-safe version is Hex
#0033CC. A complementary color is
#EAD333. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#485FFF, and Hex
#000099 is the 20% darker color. If the color is saturated by 10%, you get
#0E27D7. If the color is desaturated by 10%, the color
#1C31C1 is obtained.