The hex color #e7344d is a dark color. The web-safe version is Hex
#FF3366. A complementary color is
#18CBB2. The grayscale version is
#787878. A 20% lighter version of the original color is
#FF6780, and Hex
#B4011A is the 20% darker color. If the color is saturated by 10%, you get
#F22D49. If the color is desaturated by 10%, the color
#DC3B51 is obtained.