The hex color #c5dbe5 is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#3A241A. The grayscale version is
#D7D7D7. A 20% lighter version of the original color is
#F8FFFF, and Hex
#92A8B2 is the 20% darker color. If the color is saturated by 10%, you get
#C3DBE6. If the color is desaturated by 10%, the color
#C7DBE4 is obtained.