The hex color #10c1e3 is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#EF3E1C. The grayscale version is
#919191. A 20% lighter version of the original color is
#43F4FF, and Hex
#008EB0 is the 20% darker color. If the color is saturated by 10%, you get
#03C6EB. If the color is desaturated by 10%, the color
#1DBCDB is obtained.