The hex color #153bcd is a dark color. The web-safe version is Hex
#0033CC. A complementary color is
#EAC432. The grayscale version is
#5F5F5F. A 20% lighter version of the original color is
#486EFF, and Hex
#00089A is the 20% darker color. If the color is saturated by 10%, you get
#0E37D8. If the color is desaturated by 10%, the color
#1C3FC2 is obtained.