Color

#b72a2e

#b72a2e
hex#b72a2e
rgbrgb(183, 42, 46)
hslhsl(358, 63%, 44%)
oklchoklch(0.514 0.177 24.8)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1192

Colors that go with #b72a2e

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2ab7b2

#b72a75 · #b76b2a

#2eb72a · #2a2eb7

Split-complementary

Open in tool →

#2ab76b · #2a75b7

#75b72a · #2ab7b2 · #6b2ab7

Contrast

#b72a2e as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #a6262a as the text (7.16:1)
Aaon black
3.38:1failpassfail
  • AA: use #d44045 as the text (4.62:1)
  • AAA: use #e07679 as the text (7.04:1)
  • AA: or shift the background to #dedede (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b72a2e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b72a2e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b72a2e
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 #b72a2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b72a2e-c49f9c-62cb95-2d251f-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