The hex color #ec4b29 is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#13B4D6. The grayscale version is
#757575. A 20% lighter version of the original color is
#FF7E5C, and Hex
#B91800 is the 20% darker color. If the color is saturated by 10%, you get
#F84721. If the color is desaturated by 10%, the color
#E04F31 is obtained.