Color

#b53221

#b53221
hex#b53221
rgbrgb(181, 50, 33)
hslhsl(7, 69%, 42%)
oklchoklch(0.516 0.17 30.8)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1221

Colors that go with #b53221

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 #b53221

Tints & shades

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

Harmonies

Complementary

Open in tool →

#21a4b5

#b5215a · #b57c21

#21b532 · #3221b5

Split-complementary

Open in tool →

#21b57c · #215ab5

#5ab521 · #21a4b5 · #7c21b5

Contrast

#b53221 as textRatioAAAA largeAAAFix
Aaon white
6.1:1passpassfail
  • AAA: use #a42e1e as the text (7.03:1)
Aaon black
3.44:1failpassfail
  • AA: use #d73c28 as the text (4.57:1)
  • AAA: use #e37768 as the text (7.1:1)
  • AA: or shift the background to #dedede (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b53221 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b53221 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b53221
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 #b53221 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b53221-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