#b3d4fa as text	Ratio	AA	AA large	AAA	Fix
Aaon white	1.53:1	fail	fail	fail	AA: use #0f73e6 as the text (4.55:1) AAA: use #0b56ad as the text (7.12:1) AA: or shift the background to #595959 (4.57:1) AAA: or shift the background to #3d3d3d (7.09:1)
Aaon black	13.71:1	pass	pass	pass	Passes AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b3d4fa as the background.

Brands using this color

Mistral AIaccent · #b9daff · Δ1.81

Fonts for this mood

#b3d4fa reads as cool, vivid, light. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →Clean fonts →

mcpConnect your agent — build around #b3d4fa

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 #b3d4fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3d4fa-9caac4-df564e-1f202d-e9f1f1?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