#315e53 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	7.35:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	2.86:1	fail	fail	fail	AA: use #437f70 as the text (4.51:1) AAA: use #56a490 as the text (7.11:1) AA: or shift the background to #cccccc (4.58:1) AAA: or shift the background to #fafafa (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 #315e53 as the background.

Brands using this color

Neonsecondary · #285d49 · Δ1.93

Palettes built around it

7c3a1d 8a7358 2f5d50 faf6ef 2b2118

Bookshop

Open in tool →

Chestnut and forest on cream read like a cloth-bound spine; the palette recedes so covers and type do the talking.

Editorial Warm Elegant

Fonts for this mood

#315e53 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

Luxury fonts →Bold fonts →

mcpConnect your agent — build around #315e53

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 #315e53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/315e53-a2beba-d459b3-1f2b2d-e9f1eb?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