Color

#b71a32

#b71a32
hex#b71a32
rgbrgb(183, 26, 50)
hslhsl(351, 75%, 41%)
oklchoklch(0.503 0.188 20.7)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1104

Colors that go with #b71a32

Royal Blue, Teal and Amber 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 →

#1ab79f

#b71a80 · #b7511a

#32b71a · #1a32b7

Split-complementary

Open in tool →

#1ab751 · #1a80b7

#80b71a · #1ab79f · #511ab7

Contrast

#b71a32 as textRatioAAAA largeAAAFix
Aaon white
6.55:1passpassfail
  • AAA: use #ae192f as the text (7.05:1)
Aaon black
3.21:1failpassfail
  • AA: use #e02944 as the text (4.57:1)
  • AAA: use #eb7083 as the text (7.18:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b71a32 as the background.

Brands using this color

Fonts for this mood

#b71a32 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b71a32
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 #b71a32 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b71a32-c49c9e-62cb89-2d231f-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