Color

#bb3542

#bb3542
hex#bb3542
rgbrgb(187, 53, 66)
hslhsl(354, 56%, 47%)
oklchoklch(0.534 0.17 19.9)
Closest name: Bleeding Heart (#c02e4c)Relative luminance 0.135

Tints & shades

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

Harmonies

Complementary

Open in tool →

#35bbae

#bb3585 · #bb6a35

#42bb35 · #3542bb

Split-complementary

Open in tool →

#35bb6a · #3585bb

#85bb35 · #35bbae · #6a35bb

Contrast

#bb3542 as textRatioAAAA largeAAAFix
Aaon white
5.67:1passpassfail
  • AAA: use #9f2d38 as the text (7.22:1)
Aaon black
3.7:1failpassfail
  • AA: use #cb4855 as the text (4.6:1)
  • AAA: use #da7c85 as the text (7.2:1)
  • AA: or shift the background to #e6e6e6 (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 #bb3542 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

#bb3542 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb3542
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 #bb3542 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb3542-c49d9c-62cb8e-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