The hex color #248AC2 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#DB753D. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#57BDF5, and Hex
#00578F is the 20% darker color. If the color is saturated by 10%, you get
#1B8CC9. If the color is desaturated by 10%, the color
#2D88BB is obtained.