Scheme I used for my Stormcast Eternals.

Armour

1. Base Stormhost Silver
2. Wash Nuln Oil
3. Layer Stormhost Silver
4. Drybrush Stormhost Silver & White 1:1

Pauldrons, Tabbards & Shields

Red

1. Base Burnt Red
2. Wash Nuln Oil
3. Heavy Drybrush Flat Red
4. Drybrush Vermilion

Gold trim

1. Base Copper
2. Layer Old Gold
3. Wash Agrax Earthshade
4. Drybrush Silver

Other

Soulstone

1. Base Deep Sky Blue
2. Wash Blue

Handles

1. Base Red Leather
2. Wash Agrax Earthshade