The hex color #ea423c is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#15BDC3. The grayscale version is
#787878. A 20% lighter version of the original color is
#FF756F, and Hex
#B70F09 is the 20% darker color. If the color is saturated by 10%, you get
#F53D36. If the color is desaturated by 10%, the color
#DF4742 is obtained.