1. 

   Natural Color System / NCS - S 3040-R90B

   hsl(211, 0%, 0%) / cyan: 0.60, magenta: 0.31, yellow: 0.00, key: 0.36 / LRV ≈ 15.3%

2. 

   Sigma - Cool Blue / S 3040-R90B

   hsl(204, 0%, 1%) / cyan: 0.50, magenta: 0.20, yellow: 0.00, key: 0.29 / LRV ≈ 25.9%

3. 

   Natural Color System / NCS - S 3040-G60Y

   hsl(63, 0%, 0%) / cyan: 0.03, magenta: 0.00, yellow: 0.58, key: 0.43 / LRV ≈ 26.7%

4. 

   Natural Color System / NCS - S 3040-Y70R

   hsl(12, 1%, 1%) / cyan: 0.00, magenta: 0.53, yellow: 0.66, key: 0.24 / LRV ≈ 19.5%

5. 

   Natural Color System / NCS - S 3040-Y60R

   hsl(15, 1%, 1%) / cyan: 0.00, magenta: 0.52, yellow: 0.69, key: 0.21 / LRV ≈ 21.1%

6. 

   Natural Color System / NCS - S 3040-Y90R

   hsl(4, 0%, 1%) / cyan: 0.00, magenta: 0.56, yellow: 0.61, key: 0.27 / LRV ≈ 16.8%

7. 

   Natural Color System / NCS - S 3040-R40B

   hsl(323, 0%, 0%) / cyan: 0.00, magenta: 0.49, yellow: 0.19, key: 0.39 / LRV ≈ 14.3%

8. 

   Natural Color System / NCS - S 3040-R30B

   hsl(337, 0%, 0%) / cyan: 0.00, magenta: 0.53, yellow: 0.33, key: 0.35 / LRV ≈ 14.7%

9. 

   Natural Color System / NCS - S 3040-R10B

   hsl(354, 0%, 0%) / cyan: 0.00, magenta: 0.56, yellow: 0.51, key: 0.32 / LRV ≈ 14.8%

10. 

    Natural Color System / NCS - S 3040-R

    hsl(359, 0%, 1%) / cyan: 0.00, magenta: 0.57, yellow: 0.56, key: 0.29 / LRV ≈ 16.1%