1. 

   Natural Color System / NCS - S 2005-R70B

   hsl(312, 0%, 1%) / cyan: 0.00, magenta: 0.03, yellow: 0.01, key: 0.23 / LRV ≈ 52.9%

2. 

   Sigma - Mistic Purple / S 2005-R70B

   hsl(203, 0%, 1%) / cyan: 0.06, magenta: 0.02, yellow: 0.00, key: 0.17 / LRV ≈ 60.9%

3. 

   Natural Color System / NCS - S 4050-R70B

   hsl(241, 0%, 0%) / cyan: 0.54, magenta: 0.55, yellow: 0.00, key: 0.54 / LRV ≈ 4.6%

4. 

   Natural Color System / NCS - S 2050-R70B

   hsl(235, 0%, 1%) / cyan: 0.47, magenta: 0.43, yellow: 0.00, key: 0.26 / LRV ≈ 16.9%

5. 

   Natural Color System / NCS - S 1555-R70B

   hsl(236, 1%, 1%) / cyan: 0.48, magenta: 0.45, yellow: 0.00, key: 0.19 / LRV ≈ 19.4%

6. 

   Natural Color System / NCS - S 1030-R70B

   hsl(234, 1%, 1%) / cyan: 0.25, magenta: 0.22, yellow: 0.00, key: 0.09 / LRV ≈ 48.0%

7. 

   Natural Color System / NCS - S 0510-R70B

   hsl(263, 1%, 1%) / cyan: 0.03, magenta: 0.05, yellow: 0.00, key: 0.02 / LRV ≈ 87.2%

8. 

   Natural Color System / NCS - S 1550-R70B

   hsl(234, 1%, 1%) / cyan: 0.45, magenta: 0.41, yellow: 0.00, key: 0.16 / LRV ≈ 23.9%

9. 

   Natural Color System / NCS - S 2020-R70B

   hsl(242, 0%, 1%) / cyan: 0.16, magenta: 0.17, yellow: 0.00, key: 0.23 / LRV ≈ 38.1%

10. 

    Natural Color System / NCS - S 3020-R70B

    hsl(238, 0%, 1%) / cyan: 0.18, magenta: 0.17, yellow: 0.00, key: 0.37 / LRV ≈ 24.3%