The hex color #028bf5 is a dark color. The web-safe version is Hex
#0099FF. A complementary color is
#FD740A. The grayscale version is
#818181. A 20% lighter version of the original color is
#35BEFF, and Hex
#0058C2 is the 20% darker color. If the color is saturated by 10%, you get
#008CFF. If the color is desaturated by 10%, the color
#0F8AE9 is obtained.