Color

#bb0239

#bb0239
hex#bb0239
rgbrgb(187, 2, 57)
hslhsl(342, 98%, 37%)
oklchoklch(0.503 0.201 16.7)
Closest name: Active Volcano (#bb1133)Relative luminance 0.109

Tints & shades

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

Harmonies

Complementary

Open in tool →

#02bb83

#bb0296 · #bb2702

#39bb02 · #0239bb

Split-complementary

Open in tool →

#02bb27 · #0296bb

#96bb02 · #02bb83 · #2702bb

Contrast

#bb0239 as textRatioAAAA largeAAAFix
Aaon white
6.6:1passpassfail
  • AAA: use #b10236 as the text (7.16:1)
Aaon black
3.18:1failpassfail
  • AA: use #e80247 as the text (4.53:1)
  • AAA: use #fd5d8d as the text (7.13:1)
  • AA: or shift the background to #d6d6d6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb0239 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

#bb0239 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb0239
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 #bb0239 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb0239-c49ca3-62cb79-2d211f-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