Small flowering plant, - opposite leaves, looks like a small flowered forget me not? but lilac rather than blue?

Small flowering plant, - opposite leaves, looks like a small flowered forget me not? but lilac rather than blue?

Observation - Small flowering plant, - opposite leaves, looks like a small flowered forget me not? but lilac rather than blue? - UK and Ireland. Description: Found within an area of BFT, and bulbous buttercup - thought it would be easy to key out, nut not ha

Found within an area of BFT, and bulbous buttercup - thought it would be easy to key out, nut not having muuch luck!