Color

#bb1130

#bb1130
hex#bb1130
rgbrgb(187, 17, 48)
hslhsl(349, 83%, 40%)
oklchoklch(0.506 0.196 20.8)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1118

Tints & shades

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

Harmonies

Complementary

Open in tool →

#11bb9c

#bb1185 · #bb4711

#30bb11 · #1130bb

Split-complementary

Open in tool →

#11bb47 · #1185bb

#85bb11 · #11bb9c · #4711bb

Contrast

#bb1130 as textRatioAAAA largeAAAFix
Aaon white
6.49:1passpassfail
  • AAA: use #b1102e as the text (7.04:1)
Aaon black
3.24:1failpassfail
  • AA: use #e5153b as the text (4.5:1)
  • AAA: use #f16a83 as the text (7.13:1)
  • AA: or shift the background to #d9d9d9 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb1130 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

#bb1130 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb1130
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 #bb1130 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb1130-c49c9f-62cb85-2d231f-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