The hex color #c70e37 is a dark color. The web-safe version is Hex
#CC0033. A complementary color is
#38F1C8. The grayscale version is
#595959. A 20% lighter version of the original color is
#FA416A, and Hex
#940004 is the 20% darker color. If the color is saturated by 10%, you get
#D20634. If the color is desaturated by 10%, the color
#BC163A is obtained.