The hex color #d10c3a is a dark color. The web-safe version is Hex
#CC0033. A complementary color is
#2EF3C5. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#FF3F6D, and Hex
#9E0007 is the 20% darker color. If the color is saturated by 10%, you get
#DD0437. If the color is desaturated by 10%, the color
#C5143E is obtained.