#173530 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	13.22:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.59:1	fail	fail	fail	AA: use #388074 as the text (4.51:1) AAA: use #49a797 as the text (7.26:1) AA: or shift the background to #999999 (4.64:1) AAA: or shift the background to #bdbdbd (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #173530 as the background.

Brands using this color

Retoolsecondary · #0e352c · Δ1.186

Fonts for this mood

#173530 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

Luxury fonts →Bold fonts →

mcpConnect your agent — build around #173530

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 #173530 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/173530-a2bebd-d459a9-1f292d-e9f1ec?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