Color

#b53b4b

#b53b4b
hex#b53b4b
rgbrgb(181, 59, 75)
hslhsl(352, 51%, 47%)
oklchoklch(0.532 0.157 16.7)
Closest name: Bleeding Heart (#c02e4c)Relative luminance 0.1346

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3bb5a5

#b53b88 · #b5683b

#4bb53b · #3b4bb5

Split-complementary

Open in tool →

#3bb568 · #3b88b5

#88b53b · #3bb5a5 · #683bb5

Contrast

#b53b4b as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #9a3240 as the text (7.23:1)
Aaon black
3.69:1failpassfail
  • AA: use #c64e5e as the text (4.65:1)
  • AAA: use #d57c88 as the text (7.07:1)
  • AA: or shift the background to #e6e6e6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b53b4b 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

#b53b4b reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b53b4b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b53b4b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b53b4b-c49c9d-62cb8a-2d231f-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