The hex color #d1374b is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#2EC8B4. The grayscale version is
#717171. A 20% lighter version of the original color is
#FF6A7E, and Hex
#9E0418 is the 20% darker color. If the color is saturated by 10%, you get
#DB3147. If the color is desaturated by 10%, the color
#C73D4F is obtained.