The hex color #e34b2f is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#1CB4D0. The grayscale version is
#747474. A 20% lighter version of the original color is
#FF7E62, and Hex
#B01800 is the 20% darker color. If the color is saturated by 10%, you get
#EE4728. If the color is desaturated by 10%, the color
#D84F36 is obtained.