Steps to reproduce:

1) Open Hub and create a new project with HDRP template
Note: Make sure project is using 4.1.0 and later package of HDRP
Observe foggy and blurry outcome on the screen (check attached video "repro")

Not reproduced with:
2018.1.9f2 HDRP package: 1.1.11 (latest HDRP package for this Unity version at the time when bug submitted)
2018.2.20f1 HDRP package: 3.0.0 (latest HDRP package for this Unity version at the time when bug submitted)
2018.3.5f1 HDRP package 4.0.0

Reproduced with:
2018.3.5f1 HDRP package 4.1.0, 4.9.0
2019.1.0b3 HDRP package 5.3.1 (scene looks even worse with this version of Unity and package (check attached image "2019bug"))
2019.2.0a6 HDRP package 5.3.1, 6.1.0 (scene looks even worse with this version of Unity and package (check attached image "2019bug"))

Regression since:
4.1.0 HDRP package

Machines used for testing:
Reproduced with:
MacBook Pro (13-inch, 2018) 2,7 GHz Intel Core i7, 16 GB 2133 MHz LPDDR3, Intel Iris Plus Graphics 655 1536 MB

Not reproduced with:
Windows 10 Pro 64-bit, Intel Core i7-8700k 3.7GHz (12CPUs), 32 GB, NVIDIA GeForce GTX 1050Ti
MacBook Pro Intel Core i7 2,8 GHz 16 GB; Intel HD Graphics 630 1536 MB Radeon Pro 555 2048 MB