Color

#bd3900

#bd3900
hex#bd3900
rgbrgb(189, 57, 0)
hslhsl(18, 100%, 37%)
oklchoklch(0.536 0.177 37.7)
Closest name: Rust (#b7410e)Relative luminance 0.1375

Colors that go with #bd3900

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 #bd3900

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0084bd

#bd0026 · #bd9700

#00bd39 · #3900bd

Split-complementary

Open in tool →

#00bd97 · #0026bd

#26bd00 · #0084bd · #9700bd

Contrast

#bd3900 as textRatioAAAA largeAAAFix
Aaon white
5.6:1passpassfail
  • AAA: use #a33100 as the text (7.01:1)
Aaon black
3.75:1failpassfail
  • AA: use #d64000 as the text (4.59:1)
  • AAA: use #ff621f as the text (7.02:1)
  • AA: or shift the background to #e8e8e8 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bd3900 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

#bd3900 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bd3900
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 #bd3900 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bd3900-c4ad9c-62cbb8-2d291f-f1e9eb?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