The hex color #0f3ebc is a dark color. The web-safe version is Hex
#0033CC. A complementary color is
#F0C143. The grayscale version is
#585858. A 20% lighter version of the original color is
#4271EF, and Hex
#000B89 is the 20% darker color. If the color is saturated by 10%, you get
#083BC6. If the color is desaturated by 10%, the color
#1641B2 is obtained.