Color

#bf3503

#bf3503
hex#bf3503
rgbrgb(191, 53, 3)
hslhsl(16, 97%, 38%)
oklchoklch(0.535 0.181 36)
Closest name: Rust (#b7410e)Relative luminance 0.1363

Colors that go with #bf3503

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 #bf3503

Tints & shades

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

Harmonies

Complementary

Open in tool →

#038dbf

#bf032f · #bf9303

#03bf35 · #3503bf

Split-complementary

Open in tool →

#03bf93 · #032fbf

#2fbf03 · #038dbf · #9303bf

Contrast

#bf3503 as textRatioAAAA largeAAAFix
Aaon white
5.64:1passpassfail
  • AAA: use #a12d02 as the text (7.26:1)
Aaon black
3.73:1failpassfail
  • AA: use #d83c03 as the text (4.57:1)
  • AAA: use #fc6731 as the text (7.12:1)
  • AA: or shift the background to #e6e6e6 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bf3503 as the background.

Brands using this color

Fonts for this mood

#bf3503 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bf3503
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 #bf3503 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bf3503-c4ab9c-62cbb4-2d291f-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