The hex color #3076f3 is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#CF890C. The grayscale version is
#888888. A 20% lighter version of the original color is
#63A9FF, and Hex
#0043C0 is the 20% darker color. If the color is saturated by 10%, you get
#2774FE. If the color is desaturated by 10%, the color
#3978E8 is obtained.