Color

#b91d49

#b91d49
hex#b91d49
rgbrgb(185, 29, 73)
hslhsl(343, 73%, 42%)
oklchoklch(0.513 0.188 12.1)
Closest name: Fancy Red Wine (#b40441)Relative luminance 0.1167

Colors that go with #b91d49

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 →

#1db98d

#b91d97 · #b93f1d

#49b91d · #1d49b9

Split-complementary

Open in tool →

#1db93f · #1d97b9

#97b91d · #1db98d · #3f1db9

Contrast

#b91d49 as textRatioAAAA largeAAAFix
Aaon white
6.3:1passpassfail
  • AAA: use #ac1b44 as the text (7.01:1)
Aaon black
3.33:1failpassfail
  • AA: use #dd275b as the text (4.52:1)
  • AAA: use #e86d90 as the text (7.02:1)
  • AA: or shift the background to #dbdbdb (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 #b91d49 as the background.

Brands using this color

Fonts for this mood

#b91d49 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b91d49
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 #b91d49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b91d49-c49ca3-62cb7b-2d211f-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