Color

#bb2525

#bb2525
hex#bb2525
rgbrgb(187, 37, 37)
hslhsl(0, 67%, 44%)
oklchoklch(0.516 0.186 26.7)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1202

Tints & shades

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

Harmonies

Complementary

Open in tool →

#25bbbb

#bb2570 · #bb7025

#25bb25 · #2525bb

Split-complementary

Open in tool →

#25bb70 · #2570bb

#70bb25 · #25bbbb · #7025bb

Contrast

#bb2525 as textRatioAAAA largeAAAFix
Aaon white
6.17:1passpassfail
  • AAA: use #aa2222 as the text (7.09:1)
Aaon black
3.4:1failpassfail
  • AA: use #d83b3b as the text (4.61:1)
  • AAA: use #e47777 as the text (7.2:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb2525 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#bb2525 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb2525
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 #bb2525 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb2525-c4a19c-62cb98-2d251f-f1e9ed?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