The hex color #2397f2 is a dark color. The web-safe version is Hex
#3399FF. A complementary color is
#DC680D. The grayscale version is
#8F8F8F. A 20% lighter version of the original color is
#56CAFF, and Hex
#0064BF is the 20% darker color. If the color is saturated by 10%, you get
#1898FC. If the color is desaturated by 10%, the color
#2E96E8 is obtained.