Color

#bf313b

#bf313b
hex#bf313b
rgbrgb(191, 49, 59)
hslhsl(356, 59%, 47%)
oklchoklch(0.536 0.178 22.1)
Closest name: Bleeding Heart (#c02e4c)Relative luminance 0.1359

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31bfb5

#bf3181 · #bf6e31

#3bbf31 · #313bbf

Split-complementary

Open in tool →

#31bf6e · #3181bf

#81bf31 · #31bfb5 · #6e31bf

Contrast

#bf313b as textRatioAAAA largeAAAFix
Aaon white
5.65:1passpassfail
  • AAA: use #a22a32 as the text (7.21:1)
Aaon black
3.72:1failpassfail
  • AA: use #cf444e as the text (4.59:1)
  • AAA: use #dc7980 as the text (7.09:1)
  • 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 #bf313b 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

#bf313b reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf313b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #bf313b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf313b-c49e9c-62cb91-2d241f-f1e9ee?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