The hex color #e83a4c is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#17C5B3. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#FF6D7F, and Hex
#B50719 is the 20% darker color. If the color is saturated by 10%, you get
#F33447. If the color is desaturated by 10%, the color
#DD4051 is obtained.