Color

#b23840

#b23840
hex#b23840
rgbrgb(178, 56, 64)
hslhsl(356, 52%, 46%)
oklchoklch(0.521 0.157 20.9)
Closest name: Amore (#ae2f48)Relative luminance 0.1266

Colors that go with #b23840

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 #b23840

Tints & shades

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

Harmonies

Complementary

Open in tool →

#38b2aa

#b2387d · #b26d38

#40b238 · #3840b2

Split-complementary

Open in tool →

#38b26d · #387db2

#7db238 · #38b2aa · #6d38b2

Contrast

#b23840 as textRatioAAAA largeAAAFix
Aaon white
5.94:1passpassfail
  • AAA: use #9f3239 as the text (7.02:1)
Aaon black
3.53:1failpassfail
  • AA: use #c74d55 as the text (4.62:1)
  • AAA: use #d77f85 as the text (7.26:1)
  • AA: or shift the background to #e0e0e0 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b23840 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

#b23840 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b23840
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 #b23840 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b23840-c49e9c-62cb91-2d241f-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