The hex color #fa263e is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#05D9C1. The grayscale version is
#757575. A 20% lighter version of the original color is
#FF5971, and Hex
#C7000B is the 20% darker color. If the color is saturated by 10%, you get
#FF1E39. If the color is desaturated by 10%, the color
#ED2E43 is obtained.