Color

#ba431c

#ba431c
hex#ba431c
rgbrgb(186, 67, 28)
hslhsl(15, 74%, 42%)
oklchoklch(0.543 0.162 37.4)
Closest name: Rust (#b7410e)Relative luminance 0.1454

Colors that go with #ba431c

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 #ba431c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c93ba

#ba1c43 · #ba931c

#1cba43 · #431cba

Split-complementary

Open in tool →

#1cba93 · #1c43ba

#43ba1c · #1c93ba · #931cba

Contrast

#ba431c as textRatioAAAA largeAAAFix
Aaon white
5.37:1passpassfail
  • AAA: use #9b3817 as the text (7.07:1)
Aaon black
3.91:1failpassfail
  • AA: use #cc4a1e as the text (4.57:1)
  • AAA: use #e57752 as the text (7.09:1)
  • AA: or shift the background to #ebebeb (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 #ba431c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ba431c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ba431c
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 #ba431c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ba431c-c4ab9c-62cbb2-2d291f-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