Color

#eb3305

#eb3305
hex#eb3305
rgbrgb(235, 51, 5)
hslhsl(12, 96%, 47%)
oklchoklch(0.611 0.223 33)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2004

Tints & shades

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

Harmonies

Complementary

Open in tool →

#05bdeb

#eb054a · #eba605

#05eb33 · #3305eb

Split-complementary

Open in tool →

#05eba6 · #054aeb

#4aeb05 · #05bdeb · #a605eb

Contrast

#eb3305 as textRatioAAAA largeAAAFix
Aaon white
4.19:1failpassfail
  • AA: use #e13105 as the text (4.52:1)
  • AAA: use #aa2503 as the text (7.06:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #fb6641 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #eb3305 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#eb3305 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #eb3305
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 #eb3305 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eb3305-c4a99c-62cbad-2d281f-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