Color

#ed3835

#ed3835
hex#ed3835
rgbrgb(237, 56, 53)
hslhsl(1, 84%, 57%)
oklchoklch(0.621 0.217 27)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2109

Colors that go with #ed3835

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 →

#35eaed

#ed358e · #ed9435

#35ed38 · #3835ed

Split-complementary

Open in tool →

#35ed94 · #358eed

#8eed35 · #35eaed · #9435ed

Contrast

#ed3835 as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • 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 (4.58:1)
Aaon black
5.22:1passpassfail
  • 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 #ed3835 as the background.

Brands using this color

Fonts for this mood

#ed3835 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ed3835
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 #ed3835 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ed3835-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