Color

#b13581

#b13581
hex#b13581
rgbrgb(177, 53, 129)
hslhsl(323, 54%, 45%)
oklchoklch(0.536 0.177 347)
Closest name: Fandango (#b53389)Relative luminance 0.1348

Colors that go with #b13581

Denim, Sea Green and Forest Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#35b164

#a235b1 · #b13543

#81b135 · #3581b1

Split-complementary

Open in tool →

#43b135 · #35b1a2

#b1a235 · #35b164 · #3543b1

Contrast

#b13581 as textRatioAAAA largeAAAFix
Aaon white
5.68:1passpassfail
  • AAA: use #992e70 as the text (7.05:1)
Aaon black
3.7:1failpassfail
  • AA: use #c63f92 as the text (4.53:1)
  • AAA: use #d676b1 as the text (7.09:1)
  • AA: or shift the background to #e6e6e6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b13581 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#b13581 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b13581
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b13581 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b13581-c19fb0-6dcb62-2d1f22-f0e9f1?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