Color

#bb3556

#bb3556
hex#bb3556
rgbrgb(187, 53, 86)
hslhsl(345, 56%, 47%)
oklchoklch(0.538 0.17 10.6)
Closest name: Bleeding Heart (#c02e4c)Relative luminance 0.1378

Colors that go with #bb3556

Sea Green, Teal and Amber 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 →

#35bb99

#bb3599 · #bb5635

#56bb35 · #3556bb

Split-complementary

Open in tool →

#35bb56 · #3599bb

#99bb35 · #35bb99 · #5635bb

Contrast

#bb3556 as textRatioAAAA largeAAAFix
Aaon white
5.59:1passpassfail
  • AAA: use #9f2d49 as the text (7.13:1)
Aaon black
3.76:1failpassfail
  • AA: use #ca4466 as the text (4.53:1)
  • AAA: use #d97890 as the text (7.04:1)
  • AA: or shift the background to #e8e8e8 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb3556 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

#bb3556 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb3556
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 #bb3556 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb3556-c49ca1-62cb7e-2d221f-f1e9ef?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