Color

#b03221

#b03221
hex#b03221
rgbrgb(176, 50, 33)
hslhsl(7, 68%, 41%)
oklchoklch(0.507 0.165 31)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1162

Colors that go with #b03221

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 #b03221

Tints & shades

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

Harmonies

Complementary

Open in tool →

#219fb0

#b02158 · #b07921

#21b032 · #3221b0

Split-complementary

Open in tool →

#21b079 · #2158b0

#58b021 · #219fb0 · #7921b0

Contrast

#b03221 as textRatioAAAA largeAAAFix
Aaon white
6.32:1passpassfail
  • AAA: use #a32e1f as the text (7.08:1)
Aaon black
3.32:1failpassfail
  • AA: use #d63d29 as the text (4.56:1)
  • AAA: use #e27769 as the text (7.08:1)
  • AA: or shift the background to #dbdbdb (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 #b03221 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b03221 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b03221
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 #b03221 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b03221-c4a59c-62cba4-2d271f-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