Text should always have the clearest contrast with the background for the best legibility and clarity. Colour contrast should always meet the WCAG AA colour contrast.
Do not use black on NHS blue
Text should always be clear and legible. Therefore, black text on a NHS blue background is not permitted.
Do not use yellow on NHS blue
NHS warm yellow should not be used for text on NHS blue background for body copy as there is not a clear enough contrast to be read by everyone.
Do not use grey on NHS blue
Grey text should not be used on a NHS blue background as this also does not give a clear enough contrast to be read by everyone.
Do not use yellow on white / grey
Yellow text should be avoided for body copy as there is insufficient contrast to be read by everyone.