Color

#b52155

#b52155
hex#b52155
rgbrgb(181, 33, 85)
hslhsl(339, 69%, 42%)
oklchoklch(0.511 0.184 6.6)
Closest name: Fancy Red Wine (#b40441)Relative luminance 0.1157

Colors that go with #b52155

Teal, Denim and Gold 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 →

#21b581

#b5219f · #b53721

#55b521 · #2155b5

Split-complementary

Open in tool →

#21b537 · #219fb5

#9fb521 · #21b581 · #3721b5

Contrast

#b52155 as textRatioAAAA largeAAAFix
Aaon white
6.34:1passpassfail
  • AAA: use #a81f4f as the text (7.06:1)
Aaon black
3.31:1failpassfail
  • AA: use #d9306b as the text (4.59:1)
  • AAA: use #e57199 as the text (7.15:1)
  • AA: or shift the background to #dbdbdb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b52155 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

#b52155 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b52155
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 #b52155 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b52155-c49ca5-62cb74-2d211f-f1e9f0?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