Color

#ef2561

#ef2561
hex#ef2561
rgbrgb(239, 37, 97)
hslhsl(342, 86%, 54%)
oklchoklch(0.62 0.23 11.7)
Closest name: Bat’s Blood Soup (#ee3366)Relative luminance 0.2054

Colors that go with #ef2561

Charcoal, Dodger Blue 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 #ef2561

Tints & shades

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

Harmonies

Complementary

Open in tool →

#25efb2

#ef25c6 · #ef4d25

#61ef25 · #2561ef

Split-complementary

Open in tool →

#25ef4d · #25c6ef

#c6ef25 · #25efb2 · #4d25ef

Contrast

#ef2561 as textRatioAAAA largeAAAFix
Aaon white
4.11:1failpassfail
  • AA: use #e81152 as the text (4.53:1)
  • AAA: use #af0d3e as the text (7.12:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.11:1passpassfail
  • AAA: use #f46791 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef2561 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

#ef2561 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef2561
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 #ef2561 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef2561-c49ca3-62cb79-2d211f-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