Color

#ea2a10

#ea2a10
hex#ea2a10
rgbrgb(234, 42, 16)
hslhsl(7, 87%, 49%)
oklchoklch(0.604 0.227 31)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.1919

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10d0ea

#ea1064 · #ea9610

#10ea2a · #2a10ea

Split-complementary

Open in tool →

#10ea96 · #1064ea

#64ea10 · #10d0ea · #9610ea

Contrast

#ea2a10 as textRatioAAAA largeAAAFix
Aaon white
4.34:1failpassfail
  • AA: use #e52910 as the text (4.51:1)
  • AAA: use #ac1f0c as the text (7.11:1)
  • AA: or shift the background to #0a0a0a (4.56:1)
Aaon black
4.84:1passpassfail
  • AAA: use #f36a58 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ea2a10 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

#ea2a10 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ea2a10
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 #ea2a10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ea2a10-c4a59c-62cba4-2d271f-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