High-Contrast Black (HCB) Theme for OpenUI5 Controls

The High-Contrast Black (HCB) theme for OpenUI5 controls is a predefined theme that supports people with visual impairments and is required by the Accessibility product standard. The theme can be switched on by adding a dedicated URL parameter.

OpenUI5 library support
Currently, the following libraries support the High-Contrast Black theme:

  • sap.m

  • sap.me

  • sap.ui.commons

  • sap.ui.layout

  • sap.ui.suite

  • sap.ui.table

  • sap.ui.unified

  • sap.ui.ux3

Switching on the HCB theme
You can switch on the High-Contrast Black theme by appending the sap-ui-theme=sap_hcb URL parameter as in the example below.
Example HCB Theme Enablement

http://<hostname>:<port>...?<parameter>=<value>&...&sap-ui-theme=sap_hcb