Color

#ba391c

#ba391c
hex#ba391c
rgbrgb(186, 57, 28)
hslhsl(11, 74%, 42%)
oklchoklch(0.532 0.17 33.9)
Closest name: Rust (#b7410e)Relative luminance 0.1345

Colors that go with #ba391c

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 #ba391c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c9dba

#ba1c4e · #ba881c

#1cba39 · #391cba

Split-complementary

Open in tool →

#1cba88 · #1c4eba

#4eba1c · #1c9dba · #881cba

Contrast

#ba391c as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #a03118 as the text (7.13:1)
Aaon black
3.69:1failpassfail
  • AA: use #d54120 as the text (4.61:1)
  • AAA: use #e6745b as the text (7.01:1)
  • AA: or shift the background to #e6e6e6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ba391c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ba391c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ba391c
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 #ba391c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ba391c-c4a89c-62cbab-2d281f-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