Color

#b72e2a

#b72e2a
hex#b72e2a
rgbrgb(183, 46, 42)
hslhsl(2, 63%, 44%)
oklchoklch(0.517 0.174 27.1)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1219

Colors that go with #b72e2a

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 #b72e2a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2ab2b7

#b72a6b · #b7752a

#2ab72e · #2e2ab7

Split-complementary

Open in tool →

#2ab775 · #2a6bb7

#6bb72a · #2ab2b7 · #752ab7

Contrast

#b72e2a as textRatioAAAA largeAAAFix
Aaon white
6.11:1passpassfail
  • AAA: use #a62a26 as the text (7.05:1)
Aaon black
3.44:1failpassfail
  • AA: use #d3413c as the text (4.59:1)
  • AAA: use #e07976 as the text (7.17:1)
  • AA: or shift the background to #dedede (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b72e2a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b72e2a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b72e2a
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 #b72e2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b72e2a-c4a29c-62cb9c-2d261f-f1e9ed?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