Color

#ef3460

#ef3460
hex#ef3460
rgbrgb(239, 52, 96)
hslhsl(346, 85%, 57%)
oklchoklch(0.629 0.22 13.6)
Closest name: Bat’s Blood Soup (#ee3366)Relative luminance 0.2165

Colors that go with #ef3460

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 #ef3460

Tints & shades

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

Harmonies

Complementary

Open in tool →

#34efc3

#ef34bd · #ef6634

#60ef34 · #3460ef

Split-complementary

Open in tool →

#34ef66 · #34bdef

#bdef34 · #34efc3 · #6634ef

Contrast

#ef3460 as textRatioAAAA largeAAAFix
Aaon white
3.94:1failpassfail
  • AA: use #e71344 as the text (4.59:1)
  • AAA: use #af0e34 as the text (7.15:1)
  • AA: or shift the background to #171717 (4.55:1)
Aaon black
5.33:1passpassfail
  • AAA: use #f36888 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef3460 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

#ef3460 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef3460
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 #ef3460 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef3460-c49ca1-62cb80-2d221f-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