#3f3331 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	12.14:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.73:1	fail	fail	fail	AA: use #8a6f6a as the text (4.56:1) AAA: use #a8938f as the text (7.24:1) AA: or shift the background to #9e9e9e (4.53:1) AAA: or shift the background to #c7c7c7 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f3331 as the background.

Brands using this color

Notiontext · #37352f · Δ1.657

Fonts for this mood

#3f3331 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

Warm fonts →Editorial fonts →Elegant fonts →Luxury fonts →Bold fonts →

mcpConnect your agent — build around #3f3331

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 #3f3331 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f3331-c4a79c-62cba8-2d271f-f1e9ec?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