Color

#bb3b2a

#bb3b2a
hex#bb3b2a
rgbrgb(187, 59, 42)
hslhsl(7, 63%, 45%)
oklchoklch(0.537 0.167 30.7)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1386

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2aaabb

#bb2a62 · #bb842a

#2abb3b · #3b2abb

Split-complementary

Open in tool →

#2abb84 · #2a62bb

#62bb2a · #2aaabb · #842abb

Contrast

#bb3b2a as textRatioAAAA largeAAAFix
Aaon white
5.57:1passpassfail
  • AAA: use #9e3224 as the text (7.15:1)
Aaon black
3.77:1failpassfail
  • AA: use #d0422f as the text (4.5:1)
  • AAA: use #de7b6e as the text (7.16:1)
  • AA: or shift the background to #e8e8e8 (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 #bb3b2a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#bb3b2a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb3b2a
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 #bb3b2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb3b2a-c4a59c-62cba4-2d271f-f1e9ec?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