Blue laced

Color and pattern male and female

Body feathering evenly medium-colored slate blue; each feather edged dark blue-black.

Neck- and saddle-hackle of the male and neck-hackle of the female shows darker.
Down: slate blue.

Serious faults

Completely or partially white, black or other coloured feathers. Too dark or rust-colored ground color. Missing or too unclearly defined edging.

Faults

The above serious faults present to a lesser extent. 

Genetic code: https://kippenjungle.nl/Overzicht.htm

Website with all available information regarding chicken genetics including the chicken color calculator.