united kingdom - If the Union Jack joins the flag of England and Scotland, why does it have a different shade of blue than the Scottish flag? - History Stack Exchange

This chart (public domain from Wikimedia Commons) illustrates the question. Is there an explanation for why the Union Jack have a darker shade of blue than the original Scottish flag that it's base

The Guns at Last Light: The War in Western Europe, 1944-1945 (The Liberation Trilogy, 3): Atkinson, Rick: 9781250037817: : Books

What do the colors red, white and blue stand for on the 'Union Jack' flag? - Quora

Highlights for the First Day of Queen Elizabeth II's Platinum Jubilee - The New York Times

What Happens to the Union Jack Flag If Scotland Leaves the United Kingdom?

Prof. Frank McDonough on X: 24 March 1707. The Act of Union was signed, officially politically uniting England and Scotland to create the Kingdom of Great Britain. / X

If the Union Jack joins the flag of England and Scotland, why does it have a different shade of blue than the Scottish flag? - Quora

If Scotland (or any other constituent country) secedes from the U.K., what will happen to the Union Flag? - Quora

united kingdom - If the Union Jack joins the flag of England and Scotland, why does it have a different shade of blue than the Scottish flag? - History Stack Exchange, union jack

The Act of Union between England and Scotland

Flag of Scotland - Simple English Wikipedia, the free encyclopedia

Union Flag with Scotland's blue fixed : r/vexillology

Study in the UK - The Ultimate Guide - Study Abroad