3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Browser Screen Color DepthbrowserColorDepth

Value representing the bit depth of the colour palette for displaying images, in bits per pixel. Obtained from the Cardholder Browser using the screen.colorDepth property. Refer to Section A.6 for more details.

Explore this field with transaction context

Message inclusion

Baseline inclusion. Effective requirements depend on transaction context. Check the field’s conditions and FAQ qualifications; select channel and category in the explorer.

MessageBaseline inclusion
AReqConditional

Conditional inclusion — source text

Required if Browser JavaScript Enabled = true; otherwise Optional.

Format and scope

Type: String · Length: 1–2 characters; numeric · Minimum length: 1 · Maximum length: 2

Source components
3DS Server
Device channels
02-BRW
Message categories
01-PA, 02-NPA

Reference notes

  • For device values not on the accepted list, use the closest lower value (e.g., 30→24) to avoid errors. DS may optionally auto-correct. v2.3.1+ accepts any value 1-99. — FAQ 13 (EMVCo FAQ)

Version history

No field introduction version is tagged in the dataset. Introduction tags are curated metadata, not a full history of changes. Compare versions and understand coverage.

Source and review status

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 213

Source review status: carried-forward. Carried-forward material has not acquired a new verification claim.

Source document fingerprint

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf

6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6b

Official EMVCo specifications · Methodology and coverage limits