#565bfb as text	Ratio	AA	AA large	AAA	Fix
Aaon white	4.9:1	pass	pass	fail	AAA: use #2930fa as the text (7.25:1)
Aaon black	4.29:1	fail	pass	fail	AA: use #5b60fb as the text (4.51:1) AAA: use #888cfc as the text (7.2:1) AA: or shift the background to #f7f7f7 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #565bfb as the background.

Brands using this color

Stripeprimary · #635bff · Δ1.878

Fonts for this mood

#565bfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →

mcpConnect your agent — build around #565bfb

live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp

claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp

try this prompt

›analyze #565bfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/565bfb-9f9cc4-df944e-251f2d-e9edf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md