1. 

   Natural Color System / NCS - S 2020-B30G

   hsl(187, 0%, 1%) / cyan: 0.25, magenta: 0.03, yellow: 0.00, key: 0.24 / LRV ≈ 46.4%

2. 

   Sigma - Cool Blue / S 2020-B30G / Tambour - Mystic Fog / 1074P

   hsl(184, 0%, 1%) / cyan: 0.23, magenta: 0.01, yellow: 0.00, key: 0.19 / LRV ≈ 54.5%

3. 

   Natural Color System / NCS - S 5540-B30G

   hsl(188, 1%, 0%) / cyan: 1.00, magenta: 0.13, yellow: 0.00, key: 0.67 / LRV ≈ 5.6%

4. 

   Natural Color System / NCS - S 2555-B30G

   hsl(186, 1%, 0%) / cyan: 1.00, magenta: 0.09, yellow: 0.00, key: 0.37 / LRV ≈ 22.8%

5. 

   Natural Color System / NCS - S 3010-B30G

   hsl(188, 0%, 1%) / cyan: 0.14, magenta: 0.02, yellow: 0.00, key: 0.32 / LRV ≈ 38.2%

6. 

   Natural Color System / NCS - S 4020-B30G

   hsl(189, 0%, 0%) / cyan: 0.32, magenta: 0.05, yellow: 0.00, key: 0.44 / LRV ≈ 22.1%

7. 

   Natural Color System / NCS - S 6010-B30G

   hsl(191, 0%, 0%) / cyan: 0.20, magenta: 0.04, yellow: 0.00, key: 0.57 / LRV ≈ 13.2%

8. 

   Natural Color System / NCS - S 7020-B30G

   hsl(187, 1%, 0%) / cyan: 0.71, magenta: 0.09, yellow: 0.00, key: 0.73 / LRV ≈ 4.1%

9. 

   Natural Color System / NCS - S 1040-B30G

   hsl(186, 1%, 1%) / cyan: 0.51, magenta: 0.05, yellow: 0.00, key: 0.20 / LRV ≈ 45.6%

10. 

    Natural Color System / NCS - S 3060-B30G

    hsl(187, 1%, 0%) / cyan: 1.00, magenta: 0.12, yellow: 0.00, key: 0.46 / LRV ≈ 15.5%