The hex color #250a8c is a dark color. The web-safe version is Hex
#330099. A complementary color is
#DAF573. The grayscale version is
#3E3E3E. A 20% lighter version of the original color is
#583DBF, and Hex
#000059 is the 20% darker color. If the color is saturated by 10%, you get
#220594. If the color is desaturated by 10%, the color
#280F84 is obtained.