Color

#b0571c

#b0571c
hex#b0571c
rgbrgb(176, 87, 28)
hslhsl(24, 73%, 40%)
oklchoklch(0.557 0.135 49.3)
Closest name: Autumnal (#ad5928)Relative luminance 0.1613

Colors that go with #b0571c

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 →

#1c75b0

#b01c2a · #b0a21c

#1cb057 · #571cb0

Split-complementary

Open in tool →

#1cb0a2 · #1c2ab0

#2ab01c · #1c75b0 · #a21cb0

Contrast

#b0571c as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #894415 as the text (7.24:1)
Aaon black
4.23:1failpassfail
  • AA: use #b95b1d as the text (4.58:1)
  • AAA: use #e07b38 as the text (7.06:1)
  • AA: or shift the background to #f5f5f5 (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 #b0571c 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

#b0571c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b0571c
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 #b0571c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b0571c-c4b19c-62cbc2-2d2b1f-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