Color

#eb1919

#eb1919
hex#eb1919
rgbrgb(235, 25, 25)
hslhsl(0, 84%, 51%)
oklchoklch(0.597 0.235 28.3)
Closest name: Alarm (#ec0003)Relative luminance 0.1843

Colors that go with #eb1919

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 →

#19ebeb

#eb1982 · #eb8219

#19eb19 · #1919eb

Split-complementary

Open in tool →

#19eb82 · #1982eb

#82eb19 · #19ebeb · #8219eb

Contrast

#eb1919 as textRatioAAAA largeAAAFix
Aaon white
4.48:1failpassfail
  • AA: use #eb1414 as the text (4.52:1)
  • AAA: use #b21010 as the text (7.06:1)
  • AA: or shift the background to #050505 (4.55:1)
Aaon black
4.69:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #eb1919 as the background.

Brands using this color

Fonts for this mood

#eb1919 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #eb1919
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 #eb1919 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eb1919-c4a19c-62cb98-2d251f-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