Color

#bf3138

#bf3138
hex#bf3138
rgbrgb(191, 49, 56)
hslhsl(357, 59%, 47%)
oklchoklch(0.535 0.178 23.2)
Closest name: Bleeding Heart (#c02e4c)Relative luminance 0.1356

Colors that go with #bf3138

Royal Blue, 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.

Real palettes that use #bf3138

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31bfb7

#bf317f · #bf7131

#38bf31 · #3138bf

Split-complementary

Open in tool →

#31bf71 · #317fbf

#7fbf31 · #31bfb7 · #7131bf

Contrast

#bf3138 as textRatioAAAA largeAAAFix
Aaon white
5.66:1passpassfail
  • AAA: use #a22a30 as the text (7.22:1)
Aaon black
3.71:1failpassfail
  • AA: use #cf444b as the text (4.58:1)
  • AAA: use #dc797e as the text (7.08:1)
  • AA: or shift the background to #e6e6e6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bf3138 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#bf3138 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf3138
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 #bf3138 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf3138-c49f9c-62cb93-2d251f-f1e9ed?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