Color

#ef1f64

#ef1f64
hex#ef1f64
rgbrgb(239, 31, 100)
hslhsl(340, 87%, 53%)
oklchoklch(0.617 0.234 10.2)
Closest name: Borderline Pink (#ee1166)Relative luminance 0.2025

Colors that go with #ef1f64

Charcoal, Dodger Blue and 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 #ef1f64

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1fefaa

#ef1fcd · #ef421f

#64ef1f · #1f64ef

Split-complementary

Open in tool →

#1fef42 · #1fcdef

#cdef1f · #1fefaa · #421fef

Contrast

#ef1f64 as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #e51057 as the text (4.62:1)
  • AAA: use #b00c43 as the text (7.05:1)
  • AA: or shift the background to #121212 (4.51:1)
Aaon black
5.05:1passpassfail
  • AAA: use #f46292 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef1f64 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

#ef1f64 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef1f64
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 #ef1f64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef1f64-c49ca5-62cb75-2d211f-f1e9f0?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