The hex color #fa2d3d is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#05D2C2. The grayscale version is
#777777. A 20% lighter version of the original color is
#FF6070, and Hex
#C7000A is the 20% darker color. If the color is saturated by 10%, you get
#FF2637. If the color is desaturated by 10%, the color
#ED3443 is obtained.