The hex color #e4332d is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#1BCCD2. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#FF6660, and Hex
#B10000 is the 20% darker color. If the color is saturated by 10%, you get
#F02D27. If the color is desaturated by 10%, the color
#D83933 is obtained.