Color

#ed3431

#ed3431
hex#ed3431
rgbrgb(237, 52, 49)
hslhsl(1, 84%, 56%)
oklchoklch(0.618 0.22 27.2)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2068

Colors that go with #ed3431

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31eaed

#ed318c · #ed9231

#31ed34 · #3431ed

Split-complementary

Open in tool →

#31ed92 · #318ced

#8ced31 · #31eaed · #9231ed

Contrast

#ed3431 as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #e61714 as the text (4.67:1)
  • AAA: use #b21210 as the text (7.03:1)
  • AA: or shift the background to #141414 (4.51:1)
Aaon black
5.14:1passpassfail
  • AAA: use #f26b69 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ed3431 as the background.

Brands using this color

Fonts for this mood

#ed3431 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ed3431
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 #ed3431 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ed3431-c4a19c-62cb9a-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