Color

#bb402a

#bb402a
hex#bb402a
rgbrgb(187, 64, 42)
hslhsl(9, 63%, 45%)
oklchoklch(0.543 0.163 32.4)
Closest name: Rust (#b7410e)Relative luminance 0.144

Colors that go with #bb402a

Royal Blue, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #bb402a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2aa5bb

#bb2a5d · #bb882a

#2abb40 · #402abb

Split-complementary

Open in tool →

#2abb88 · #2a5dbb

#5dbb2a · #2aa5bb · #882abb

Contrast

#bb402a as textRatioAAAA largeAAAFix
Aaon white
5.41:1passpassfail
  • AAA: use #9a3523 as the text (7.22:1)
Aaon black
3.88:1failpassfail
  • AA: use #d0472f as the text (4.62:1)
  • AAA: use #dd7b69 as the text (7.11:1)
  • AA: or shift the background to #ebebeb (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 #bb402a 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

#bb402a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb402a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #bb402a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb402a-c4a79c-62cba8-2d271f-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