Color

#ea0b1a

#ea0b1a
hex#ea0b1a
rgbrgb(234, 11, 26)
hslhsl(356, 91%, 48%)
oklchoklch(0.592 0.238 27.4)
Closest name: Alarm (#ec0003)Relative luminance 0.1781

Colors that go with #ea0b1a

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 →

#0beadb

#ea0b89 · #ea6c0b

#1aea0b · #0b1aea

Split-complementary

Open in tool →

#0bea6c · #0b89ea

#89ea0b · #0beadb · #6c0bea

Contrast

#ea0b1a as textRatioAAAA largeAAAFix
Aaon white
4.6:1passpassfail
  • AAA: use #b40814 as the text (7.03:1)
Aaon black
4.56:1passpassfail
  • AAA: use #f86872 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ea0b1a as the background.

Brands using this color

Fonts for this mood

#ea0b1a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ea0b1a
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 #ea0b1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ea0b1a-c49e9c-62cb91-2d241f-f1e9ee?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