Color

#eb2305

#eb2305
hex#eb2305
rgbrgb(235, 35, 5)
hslhsl(8, 96%, 47%)
oklchoklch(0.601 0.232 31)
Closest name: Alarm (#ec0003)Relative luminance 0.1888

Colors that go with #eb2305

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 →

#05cceb

#eb0559 · #eb9705

#05eb23 · #2305eb

Split-complementary

Open in tool →

#05eb97 · #0559eb

#59eb05 · #05cceb · #9705eb

Contrast

#eb2305 as textRatioAAAA largeAAAFix
Aaon white
4.4:1failpassfail
  • AA: use #e62305 as the text (4.56:1)
  • AAA: use #af1a04 as the text (7.07:1)
  • AA: or shift the background to #0a0a0a (4.5:1)
Aaon black
4.78:1passpassfail
  • AAA: use #fb6750 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #eb2305 as the background.

Brands using this color

Fonts for this mood

#eb2305 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #eb2305
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 #eb2305 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eb2305-c4a69c-62cba6-2d271f-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