Color

#b33741

#b33741
hex#b33741
rgbrgb(179, 55, 65)
hslhsl(355, 53%, 46%)
oklchoklch(0.522 0.16 20.2)
Closest name: Amore (#ae2f48)Relative luminance 0.127

Colors that go with #b33741

Royal Blue, Steel Blue and Teal 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 #b33741

Tints & shades

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

Harmonies

Complementary

Open in tool →

#37b3a9

#b33780 · #b36b37

#41b337 · #3741b3

Split-complementary

Open in tool →

#37b36b · #3780b3

#80b337 · #37b3a9 · #6b37b3

Contrast

#b33741 as textRatioAAAA largeAAAFix
Aaon white
5.93:1passpassfail
  • AAA: use #a0313a as the text (7.01:1)
Aaon black
3.54:1failpassfail
  • AA: use #c84c56 as the text (4.62:1)
  • AAA: use #d77e86 as the text (7.22:1)
  • AA: or shift the background to #e3e3e3 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b33741 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

#b33741 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b33741
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 #b33741 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b33741-c49e9c-62cb8f-2d241f-f1e9ee?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