The hex color #e30002 is a dark color. The web-safe version is Hex
#CC0000. A complementary color is
#1CFFFD. The grayscale version is
#4C4C4C. A 20% lighter version of the original color is
#FF3335, and Hex
#B00000 is the 20% darker color. If the color is saturated by 10%, you get
#F20000. If the color is desaturated by 10%, the color
#D40809 is obtained.