Color

#bb3057

#bb3057
hex#bb3057
rgbrgb(187, 48, 87)
hslhsl(343, 59%, 46%)
oklchoklch(0.534 0.176 9.1)
Closest name: Bleeding Heart (#c02e4c)Relative luminance 0.1337

Tints & shades

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

Harmonies

Complementary

Open in tool →

#30bb93

#bb309d · #bb4e30

#57bb30 · #3057bb

Split-complementary

Open in tool →

#30bb4e · #309dbb

#9dbb30 · #30bb93 · #4e30bb

Contrast

#bb3057 as textRatioAAAA largeAAAFix
Aaon white
5.72:1passpassfail
  • AAA: use #a22a4c as the text (7.07:1)
Aaon black
3.67:1failpassfail
  • AA: use #ce4069 as the text (4.56:1)
  • AAA: use #dc7995 as the text (7.21:1)
  • AA: or shift the background to #e6e6e6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb3057 as the background.

Brands using this color

Fonts for this mood

#bb3057 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb3057
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 #bb3057 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb3057-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