Color

#b23d2e

#b23d2e
hex#b23d2e
rgbrgb(178, 61, 46)
hslhsl(7, 59%, 44%)
oklchoklch(0.524 0.155 30.3)
Closest name: Barbarossa (#a84734)Relative luminance 0.13

Colors that go with #b23d2e

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 #b23d2e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2ea3b2

#b22e61 · #b2802e

#2eb23d · #3d2eb2

Split-complementary

Open in tool →

#2eb280 · #2e61b2

#61b22e · #2ea3b2 · #802eb2

Contrast

#b23d2e as textRatioAAAA largeAAAFix
Aaon white
5.83:1passpassfail
  • AAA: use #9a3528 as the text (7.21:1)
Aaon black
3.6:1failpassfail
  • AA: use #cc4a38 as the text (4.6:1)
  • AAA: use #da7d71 as the text (7.15:1)
  • AA: or shift the background to #e3e3e3 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b23d2e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b23d2e reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b23d2e
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 #b23d2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b23d2e-c4a59c-62cba4-2d271f-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