Color

#b34137

#b34137
hex#b34137
rgbrgb(179, 65, 55)
hslhsl(5, 53%, 46%)
oklchoklch(0.532 0.15 28.2)
Closest name: Barbarossa (#a84734)Relative luminance 0.1364

Colors that go with #b34137

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 #b34137

Tints & shades

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

Harmonies

Complementary

Open in tool →

#37a9b3

#b3376b · #b38037

#37b341 · #4137b3

Split-complementary

Open in tool →

#37b380 · #376bb3

#6bb337 · #37a9b3 · #8037b3

Contrast

#b34137 as textRatioAAAA largeAAAFix
Aaon white
5.63:1passpassfail
  • AAA: use #98382f as the text (7.14:1)
Aaon black
3.73:1failpassfail
  • AA: use #c54f44 as the text (4.58:1)
  • AAA: use #d57e76 as the text (7.08:1)
  • AA: or shift the background to #e6e6e6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b34137 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b34137 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b34137
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 #b34137 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b34137-c4a49c-62cba1-2d261f-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