Color

#ec3818

#ec3818
hex#ec3818
rgbrgb(236, 56, 24)
hslhsl(9, 85%, 51%)
oklchoklch(0.617 0.22 32.2)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2073

Colors that go with #ec3818

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 →

#18ccec

#ec1862 · #eca218

#18ec38 · #3818ec

Split-complementary

Open in tool →

#18eca2 · #1862ec

#62ec18 · #18ccec · #a218ec

Contrast

#ec3818 as textRatioAAAA largeAAAFix
Aaon white
4.08:1failpassfail
  • AA: use #de3112 as the text (4.61:1)
  • AAA: use #aa250e as the text (7.05:1)
  • AA: or shift the background to #141414 (4.51:1)
Aaon black
5.15:1passpassfail
  • AAA: use #f16d55 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ec3818 as the background.

Brands using this color

Fonts for this mood

#ec3818 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec3818
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 #ec3818 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec3818-c4a79c-62cba8-2d271f-f1e9ec?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