The hex color #0b64ce is a dark color. The web-safe version is Hex
#0066CC. A complementary color is
#F49B31. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#3E97FF, and Hex
#00319B is the 20% darker color. If the color is saturated by 10%, you get
#0263D8. If the color is desaturated by 10%, the color
#1465C4 is obtained.