The hex color #d23e07 is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#2DC1F8. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#FF713A, and Hex
#9F0B00 is the 20% darker color. If the color is saturated by 10%, you get
#DE3B00. If the color is desaturated by 10%, the color
#C64110 is obtained.