Color

#ec3936

#ec3936
hex#ec3936
rgbrgb(236, 57, 54)
hslhsl(1, 83%, 57%)
oklchoklch(0.62 0.215 26.9)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2103

Colors that go with #ec3936

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 →

#36e9ec

#ec368e · #ec9436

#36ec39 · #3936ec

Split-complementary

Open in tool →

#36ec94 · #368eec

#8eec36 · #36e9ec · #9436ec

Contrast

#ec3936 as textRatioAAAA largeAAAFix
Aaon white
4.03:1failpassfail
  • AA: use #e91916 as the text (4.55:1)
  • AAA: use #b11310 as the text (7.07:1)
  • AA: or shift the background to #141414 (4.57:1)
Aaon black
5.21:1passpassfail
  • AAA: use #f16c6a as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ec3936 as the background.

Brands using this color

Fonts for this mood

#ec3936 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec3936
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 #ec3936 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec3936-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