Color

#b33f32

#b33f32
hex#b33f32
rgbrgb(179, 63, 50)
hslhsl(6, 56%, 45%)
oklchoklch(0.529 0.153 29.5)
Closest name: Barbarossa (#a84734)Relative luminance 0.1337

Colors that go with #b33f32

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 #b33f32

Tints & shades

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

Harmonies

Complementary

Open in tool →

#32a6b3

#b33266 · #b38032

#32b33f · #3f32b3

Split-complementary

Open in tool →

#32b380 · #3266b3

#66b332 · #32a6b3 · #8032b3

Contrast

#b33f32 as textRatioAAAA largeAAAFix
Aaon white
5.72:1passpassfail
  • AAA: use #9b372c as the text (7.06:1)
Aaon black
3.67:1failpassfail
  • AA: use #c84a3c as the text (4.5:1)
  • AAA: use #d87e74 as the text (7.16:1)
  • AA: or shift the background to #e6e6e6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b33f32 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b33f32 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b33f32
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 #b33f32 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b33f32-c4a59c-62cba3-2d271f-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