The hex color #d7003c is a dark color. The web-safe version is Hex
#CC0033. A complementary color is
#28FFC3. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#FF336F, and Hex
#A40009 is the 20% darker color. If the color is saturated by 10%, you get
#E30039. If the color is desaturated by 10%, the color
#CB093F is obtained.