#186bc3 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	5.34:1	pass	pass	fail	AAA: use #1459a3 as the text (7.03:1)
Aaon black	3.93:1	fail	pass	fail	AA: use #1a75d5 as the text (4.55:1) AAA: use #4e99e9 as the text (7.06:1) AA: or shift the background to #ededed (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #186bc3 as the background.

Brands using this color

PlanetScaleaccent · #0b6ec5 · Δ0.832

Fonts for this mood

#186bc3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →

mcpConnect your agent — build around #186bc3

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 #186bc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/186bc3-9cabc4-df534e-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