Color

#eb3919

#eb3919
hex#eb3919
rgbrgb(235, 57, 25)
hslhsl(9, 84%, 51%)
oklchoklch(0.616 0.218 32.2)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2066

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#19cceb

#eb1963 · #eba219

#19eb39 · #3919eb

Split-complementary

Open in tool →

#19eba2 · #1963eb

#63eb19 · #19cceb · #a219eb

Contrast

#eb3919 as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #dd3113 as the text (4.64:1)
  • AAA: use #a9260f as the text (7.07:1)
  • AA: or shift the background to #141414 (4.5:1)
Aaon black
5.13:1passpassfail
  • AAA: use #f06d56 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 #eb3919 as the background.

Brands using this color

Fonts for this mood

#eb3919 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #eb3919
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #eb3919 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eb3919-c4a79c-62cba8-2d271f-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