1. 

   RAL - RAL 5011 / Steel Blue

   hsl(210, 40%, 17%) / cyan: 0.56, magenta: 0.28, yellow: 0.00, key: 0.76 / LRV ≈ 2.3%

2. 

   Sikkens - T3.22.10 (RAL 5011)

   hsl(208, 37%, 18%) / cyan: 0.54, magenta: 0.25, yellow: 0.00, key: 0.75 / LRV ≈ 2.7%