The hex color #0f18fb is a dark color. The web-safe version is Hex
#0000FF. A complementary color is
#F0E704. The grayscale version is
#616161. A 20% lighter version of the original color is
#424BFF, and Hex
#0000C8 is the 20% darker color. If the color is saturated by 10%, you get
#0711FF. If the color is desaturated by 10%, the color
#171FEC is obtained.