Color

#ef2a4a

#ef2a4a
hex#ef2a4a
rgbrgb(239, 42, 74)
hslhsl(350, 86%, 55%)
oklchoklch(0.618 0.227 19.5)
Closest name: Barberry (#ee1133)Relative luminance 0.205

Colors that go with #ef2a4a

Charcoal, Dodger Blue and Sea Green 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 #ef2a4a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2aefce

#ef2aad · #ef6b2a

#4aef2a · #2a4aef

Split-complementary

Open in tool →

#2aef6b · #2aadef

#adef2a · #2aefce · #6b2aef

Contrast

#ef2a4a as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #e81135 as the text (4.6:1)
  • AAA: use #af0d28 as the text (7.21:1)
  • AA: or shift the background to #121212 (4.55:1)
Aaon black
5.1:1passpassfail
  • AAA: use #f4677f as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef2a4a as the background.

Brands using this color

Fonts for this mood

#ef2a4a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef2a4a
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 #ef2a4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef2a4a-c49c9e-62cb87-2d231f-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