Color

#b50347

#b50347
hex#b50347
rgbrgb(181, 3, 71)
hslhsl(337, 97%, 36%)
oklchoklch(0.495 0.197 10.3)
Closest name: Fancy Red Wine (#b40441)Relative luminance 0.1034

Colors that go with #b50347

Denim, 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 →

#03b571

#b503a0 · #b51803

#47b503 · #0347b5

Split-complementary

Open in tool →

#03b518 · #03a0b5

#a0b503 · #03b571 · #1803b5

Contrast

#b50347 as textRatioAAAA largeAAAFix
Aaon white
6.84:1passpassfail
  • AAA: use #b00345 as the text (7.13:1)
Aaon black
3.07:1failpassfail
  • AA: use #e7045b as the text (4.57:1)
  • AAA: use #fc5998 as the text (7.02:1)
  • AA: or shift the background to #d4d4d4 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b50347 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

#b50347 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b50347
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 #b50347 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b50347-c49ca7-62cb70-2d201f-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