Color

#ed3d31

#ed3d31
hex#ed3d31
rgbrgb(237, 61, 49)
hslhsl(4, 84%, 56%)
oklchoklch(0.625 0.214 28.8)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2156

Colors that go with #ed3d31

Charcoal, Steel Blue and Cadet 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 →

#31e0ed

#ed3182 · #ed9b31

#31ed3d · #3d31ed

Split-complementary

Open in tool →

#31ed9b · #3182ed

#82ed31 · #31e0ed · #9b31ed

Contrast

#ed3d31 as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #e62214 as the text (4.56:1)
  • AAA: use #ae1a0f as the text (7.11:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.31:1passpassfail
  • 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 #ed3d31 as the background.

Brands using this color

Fonts for this mood

#ed3d31 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ed3d31
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 #ed3d31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ed3d31-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