The hex color #2e88f3 is a dark color. The web-safe version is Hex
#3399FF. A complementary color is
#D1770C. The grayscale version is
#8E8E8E. A 20% lighter version of the original color is
#61BBFF, and Hex
#0055C0 is the 20% darker color. If the color is saturated by 10%, you get
#2487FD. If the color is desaturated by 10%, the color
#3889E9 is obtained.