Color

#ef1a41

#ef1a41
hex#ef1a41
rgbrgb(239, 26, 65)
hslhsl(349, 87%, 52%)
oklchoklch(0.609 0.235 20.6)
Closest name: Barberry (#ee1133)Relative luminance 0.1947

Colors that go with #ef1a41

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1aefc8

#ef1aac · #ef5e1a

#41ef1a · #1a41ef

Split-complementary

Open in tool →

#1aef5e · #1aacef

#acef1a · #1aefc8 · #5e1aef

Contrast

#ef1a41 as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #ea1038 as the text (4.54:1)
  • AAA: use #b00c2a as the text (7.16:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #f46680 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef1a41 as the background.

Brands using this color

Fonts for this mood

#ef1a41 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef1a41
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 #ef1a41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef1a41-c49c9f-62cb85-2d231f-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