Which blue paint?

[KermitKermit]

This is going to sound slightly bonkers but I'm trying to find a blue paint the same colour as the sky at the top of this picture (the slightly darker bit) https://www.nationalgallery.org.uk/paintings/sandro-botticelli-mystic-nativity

Any ideas? All the sky blues I've seen are too green or too grey.

LG Tivoli or F&B Cooks blue?

Could you find the RGB code of the perfect bit of the colour for you and see if anything comes up on here? I picked a bit at random and Fired Earth - Jeane and Dulux Trade Niagara Blues 2 were the closest matches that I saw from Uk paint sellers. But obviously I might have picked the wrong part; the colour variance is huge.

https://www.e-paint.co.uk/convert-rgb.asp

Thank you both- I will have a look at those.

Oval room blue? F n b

If you have a printout/poster, you could take it to a Dulux Decorator Centre and they can colour match.

Dulux Azure Sky, comes in shades. We have a room painted in one of the lighter ones it's a very summery sky blue.