Custom Boxes Empire / Connected packaging
Colour contrast checker
Contrast ratio between text and background colours.
How it works
WCAG contrast ratio = (lighter luminance + 0.05) ÷ (darker luminance + 0.05).
Tip
High contrast keeps ingredients and instructions readable.
Questions
Does it apply to print?
It is a screen standard, but a useful legibility check for labels.
Pass levels?
4.5:1 for small text, 3:1 for large text and graphics.
Planning estimate only. Confirm sizes, strength and costs with samples and your written quote.
PLAN YOUR PACKAGING
From a better brief to a tailored quote.
Check sizing, compare materials and share your requirements. Final specifications and pricing are confirmed by the team.
Request a packaging quoteSelected delivery market: United Kingdom
Planning delivery to one of these British destinations?
London, Manchester, Birmingham, Bristol, Edinburgh
Add the delivery city and postcode to your brief. Freight, duties and delivery availability are confirmed in the quote.