#3ca5e2 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	2.74:1	fail	fail	fail	AA: use #1b7db6 as the text (4.51:1) AAA: use #145c85 as the text (7.24:1) AA: or shift the background to #333333 (4.62:1) AAA: or shift the background to #0f0f0f (7:1)
Aaon black	7.67:1	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 #3ca5e2 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

0f1b2d 7d93a8 0ea5e9 ffffff

Arctic

Open in tool →

Navy type on white with an ice-blue accent: crisp and corporate without going grey.

Clean Cool Minimal

Fonts for this mood

#3ca5e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →

mcpConnect your agent — build around #3ca5e2

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 #3ca5e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ca5e2-9cb1c4-df4e5f-1f222d-e9f1f0?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