Color

#ec3427

#ec3427
hex#ec3427
rgbrgb(236, 52, 39)
hslhsl(4, 84%, 54%)
oklchoklch(0.615 0.221 29.2)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2044

Colors that go with #ec3427

Charcoal, Sea Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#27dfec

#ec277d · #ec9727

#27ec34 · #3427ec

Split-complementary

Open in tool →

#27ec97 · #277dec

#7dec27 · #27dfec · #9727ec

Contrast

#ec3427 as textRatioAAAA largeAAAFix
Aaon white
4.13:1failpassfail
  • AA: use #e62214 as the text (4.56:1)
  • AAA: use #ae1a0f as the text (7.11:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #f26e64 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ec3427 as the background.

Brands using this color

Fonts for this mood

#ec3427 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec3427
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 #ec3427 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec3427-c4a39c-62cb9f-2d261f-f1e9ed?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