Color

#b53b59

#b53b59
hex#b53b59
rgbrgb(181, 59, 89)
hslhsl(345, 51%, 47%)
oklchoklch(0.535 0.158 9.5)
Closest name: Bleeding Heart (#c02e4c)Relative luminance 0.1367

Colors that go with #b53b59

Sea Green, 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 →

#3bb596

#b53b96 · #b5593b

#59b53b · #3b59b5

Split-complementary

Open in tool →

#3bb559 · #3b96b5

#96b53b · #3bb596 · #593bb5

Contrast

#b53b59 as textRatioAAAA largeAAAFix
Aaon white
5.62:1passpassfail
  • AAA: use #9a324c as the text (7.16:1)
Aaon black
3.73:1failpassfail
  • AA: use #c44a69 as the text (4.53:1)
  • AAA: use #d57c92 as the text (7.13:1)
  • AA: or shift the background to #e6e6e6 (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 #b53b59 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#b53b59 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b53b59
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 #b53b59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b53b59-c49ca1-62cb7e-2d221f-f1e9ef?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