Color

#b3571e

#b3571e
hex#b3571e
rgbrgb(179, 87, 30)
hslhsl(23, 71%, 41%)
oklchoklch(0.561 0.137 48)
Closest name: Autumnal (#ad5928)Relative luminance 0.1649

Colors that go with #b3571e

Crimson, Royal Blue and Sea Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e7ab3

#b31e30 · #b3a11e

#1eb357 · #571eb3

Split-complementary

Open in tool →

#1eb3a1 · #1e30b3

#30b31e · #1e7ab3 · #a11eb3

Contrast

#b3571e as textRatioAAAA largeAAAFix
Aaon white
4.89:1passpassfail
  • AAA: use #8c4418 as the text (7.11:1)
Aaon black
4.3:1failpassfail
  • AA: use #bc5b20 as the text (4.66:1)
  • AAA: use #de7c3f as the text (7.06:1)
  • AA: or shift the background to #f7f7f7 (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 #b3571e 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

#b3571e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3571e
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 #b3571e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3571e-c4b09c-62cbc0-2d2b1f-f1e9ea?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