Color

#ec1c09

#ec1c09
hex#ec1c09
rgbrgb(236, 28, 9)
hslhsl(5, 93%, 48%)
oklchoklch(0.6 0.236 30)
Closest name: Alarm (#ec0003)Relative luminance 0.1868

Colors that go with #ec1c09

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 →

#09d9ec

#ec0967 · #ec8d09

#09ec1c · #1c09ec

Split-complementary

Open in tool →

#09ec8d · #0967ec

#67ec09 · #09d9ec · #8d09ec

Contrast

#ec1c09 as textRatioAAAA largeAAAFix
Aaon white
4.43:1failpassfail
  • AA: use #e71b08 as the text (4.61:1)
  • AAA: use #b11506 as the text (7.05:1)
  • AA: or shift the background to #080808 (4.52:1)
Aaon black
4.74:1passpassfail
  • AAA: use #f96558 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ec1c09 as the background.

Brands using this color

Fonts for this mood

#ec1c09 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec1c09
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 #ec1c09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec1c09-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