Color

#ea3110

#ea3110
hex#ea3110
rgbrgb(234, 49, 16)
hslhsl(9, 87%, 49%)
oklchoklch(0.608 0.223 31.9)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.1973

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10c9ea

#ea105c · #ea9e10

#10ea31 · #3110ea

Split-complementary

Open in tool →

#10ea9e · #105cea

#5cea10 · #10c9ea · #9e10ea

Contrast

#ea3110 as textRatioAAAA largeAAAFix
Aaon white
4.25:1failpassfail
  • AA: use #e02f10 as the text (4.58:1)
  • AAA: use #a7230c as the text (7.27:1)
  • AA: or shift the background to #0f0f0f (4.51:1)
Aaon black
4.95:1passpassfail
  • AAA: use #f36b53 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ea3110 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

#ea3110 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ea3110
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 #ea3110 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ea3110-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