#5c57ff as text	Ratio	AA	AA large	AAA	Fix
Aaon white	4.93:1	pass	pass	fail	AAA: use #352eff as the text (7.03:1)
Aaon black	4.26:1	fail	pass	fail	AA: use #6661ff as the text (4.72:1) AAA: use #8e8aff as the text (7.23:1) AA: or shift the background to #f5f5f5 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5c57ff as the background.

Brands using this color

Stripeprimary · #635bff · Δ1.375

Fonts for this mood

#5c57ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →

mcpConnect your agent — build around #5c57ff

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 #5c57ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5c57ff-a29cc4-df9e4e-261f2d-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