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Colours and accessibility

Accessibility – Primary colours

Serco needs to ensure that online assets meet the Web Content Accessibility Guidelines (WCAG) 2 standard to a minimum of AA rating.

The table below specifies the type sizes and colour combinations that meet these standards, to determine that the contrast is high enough for people with visual impairments.

Note: When body copy is used on a dark background the weight of the font should be increased to Avenir Next Medium.

These have been tested using


Accessibility – Secondary colours

The table below indicates the recommended text colour to be used to achieve the minimum accessibility standard of AA when using the secondary colour palette.