Color

#ec2731

#ec2731
hex#ec2731
rgbrgb(236, 39, 49)
hslhsl(357, 84%, 54%)
oklchoklch(0.608 0.228 25.5)
Closest name: Barberry (#ee1133)Relative luminance 0.1951

Colors that go with #ec2731

Charcoal, Royal 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 →

#27ece2

#ec2794 · #ec8027

#31ec27 · #2731ec

Split-complementary

Open in tool →

#27ec80 · #2794ec

#94ec27 · #27ece2 · #8027ec

Contrast

#ec2731 as textRatioAAAA largeAAAFix
Aaon white
4.28:1failpassfail
  • AA: use #eb141f as the text (4.51:1)
  • AAA: use #b21018 as the text (7.05:1)
  • AA: or shift the background to #0d0d0d (4.54:1)
Aaon black
4.9:1passpassfail
  • AAA: use #f26970 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 #ec2731 as the background.

Brands using this color

Fonts for this mood

#ec2731 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec2731
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 #ec2731 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec2731-c49f9c-62cb93-2d251f-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