1. 

   Natural Color System / NCS - S 8010-R90B

   hsl(209, 0%, 0%) / cyan: 0.46, magenta: 0.22, yellow: 0.00, key: 0.77 / LRV ≈ 2.6%

2. 

   Beckers - Supernova 773 / S 8010-R90B

   hsl(245, 0%, 0%) / cyan: 0.30, magenta: 0.33, yellow: 0.00, key: 0.73 / LRV ≈ 3.0%

3. 

   Sigma - Cool Blue / S 8010-R90B

   hsl(203, 0%, 0%) / cyan: 0.32, magenta: 0.12, yellow: 0.00, key: 0.72 / LRV ≈ 4.7%

4. 

   Natural Color System / NCS - S 8010-Y70R

   hsl(17, 0%, 0%) / cyan: 0.00, magenta: 0.40, yellow: 0.56, key: 0.73 / LRV ≈ 2.9%

5. 

   Natural Color System / NCS - S 8010-G50Y

   hsl(69, 0%, 0%) / cyan: 0.05, magenta: 0.00, yellow: 0.33, key: 0.78 / LRV ≈ 3.9%

6. 

   Natural Color System / NCS - S 8010-B70G

   hsl(170, 0%, 0%) / cyan: 0.47, magenta: 0.00, yellow: 0.08, key: 0.79 / LRV ≈ 3.0%

7. 

   Natural Color System / NCS - S 8010-G70Y

   hsl(63, 0%, 0%) / cyan: 0.02, magenta: 0.00, yellow: 0.29, key: 0.76 / LRV ≈ 4.6%

8. 

   Natural Color System / NCS - S 8010-Y50R

   hsl(22, 0%, 0%) / cyan: 0.00, magenta: 0.31, yellow: 0.49, key: 0.72 / LRV ≈ 3.8%

9. 

   Natural Color System / NCS - S 8010-G30Y

   hsl(101, 0%, 0%) / cyan: 0.19, magenta: 0.00, yellow: 0.28, key: 0.78 / LRV ≈ 3.7%

10. 

    Natural Color System / NCS - S 8010-R10B

    hsl(350, 0%, 0%) / cyan: 0.00, magenta: 0.48, yellow: 0.40, key: 0.76 / LRV ≈ 2.1%