Color

#bb3e47

#bb3e47
hex#bb3e47
rgbrgb(187, 62, 71)
hslhsl(356, 50%, 49%)
oklchoklch(0.545 0.16 20.2)
Closest name: Bleeding Heart (#c02e4c)Relative luminance 0.1446

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3ebbb3

#bb3e85 · #bb753e

#47bb3e · #3e47bb

Split-complementary

Open in tool →

#3ebb75 · #3e85bb

#85bb3e · #3ebbb3 · #753ebb

Contrast

#bb3e47 as textRatioAAAA largeAAAFix
Aaon white
5.39:1passpassfail
  • AAA: use #9d343b as the text (7.03:1)
Aaon black
3.89:1failpassfail
  • AA: use #c44f57 as the text (4.6:1)
  • AAA: use #d47d83 as the text (7.06:1)
  • AA: or shift the background to #ebebeb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb3e47 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

#bb3e47 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb3e47
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 #bb3e47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb3e47-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