#271f37 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	15.7:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.34:1	fail	fail	fail	AA: use #7f69ab as the text (4.51:1) AAA: use #a090c1 as the text (7.25:1) AA: or shift the background to #8a8a8a (4.55:1) AAA: or shift the background to #b0b0b0 (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271f37 as the background.

Brands using this color

Sketchprimary · #2c203b · Δ1.288

Fonts for this mood

#271f37 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

Luxury fonts →Bold fonts →

mcpConnect your agent — build around #271f37

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 #271f37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271f37-ae9cc4-dfc94e-2a1f2d-e9ebf1?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