Color

#ec2618

#ec2618
hex#ec2618
rgbrgb(236, 38, 24)
hslhsl(4, 85%, 51%)
oklchoklch(0.605 0.23 29.6)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.1929

Colors that go with #ec2618

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 →

#18deec

#ec1874 · #ec9018

#18ec26 · #2618ec

Split-complementary

Open in tool →

#18ec90 · #1874ec

#74ec18 · #18deec · #9018ec

Contrast

#ec2618 as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #e72113 as the text (4.54:1)
  • AAA: use #af190e as the text (7.08:1)
  • AA: or shift the background to #0a0a0a (4.58:1)
Aaon black
4.86:1passpassfail
  • AAA: use #f26d63 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ec2618 as the background.

Brands using this color

Fonts for this mood

#ec2618 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec2618
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 #ec2618 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec2618-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