The hex color #2b07db is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#D4F824. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#5E3AFF, and Hex
#0000A8 is the 20% darker color. If the color is saturated by 10%, you get
#2600E8. If the color is desaturated by 10%, the color
#300FCE is obtained.