Color

#ec2a18

#ec2a18
hex#ec2a18
rgbrgb(236, 42, 24)
hslhsl(5, 85%, 51%)
oklchoklch(0.608 0.228 30.1)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.1955

Colors that go with #ec2a18

Charcoal, Royal Blue and Sea Green 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 →

#18dbec

#ec1870 · #ec9418

#18ec2a · #2a18ec

Split-complementary

Open in tool →

#18ec94 · #1870ec

#70ec18 · #18dbec · #9418ec

Contrast

#ec2a18 as textRatioAAAA largeAAAFix
Aaon white
4.28:1failpassfail
  • AA: use #e72413 as the text (4.51:1)
  • AAA: use #af1c0e as the text (7.01:1)
  • AA: or shift the background to #0d0d0d (4.55:1)
Aaon black
4.91:1passpassfail
  • AAA: use #f26b5f as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ec2a18 as the background.

Brands using this color

Fonts for this mood

#ec2a18 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec2a18
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 #ec2a18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec2a18-c4a49c-62cba1-2d261f-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