The hex color #ec1f2e is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#13E0D1. The grayscale version is
#686868. A 20% lighter version of the original color is
#FF5261, and Hex
#B90000 is the 20% darker color. If the color is saturated by 10%, you get
#F91828. If the color is desaturated by 10%, the color
#DF2634 is obtained.