#173136 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	13.73:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.53:1	fail	fail	fail	AA: use #3c7e8b as the text (4.55:1) AAA: use #4da2b3 as the text (7.13:1) AA: or shift the background to #949494 (4.53:1) AAA: or shift the background to #bababa (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #173136 as the background.

Brands using this color

Vimeosecondary · #23313b · Δ1.903

Fonts for this mood

#173136 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

Luxury fonts →Bold fonts →Modern fonts →

mcpConnect your agent — build around #173136

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 #173136 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/173136-a2b6be-df4e7c-1f252d-e9f1ef?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