Color

#ea1010

#ea1010
hex#ea1010
rgbrgb(234, 16, 16)
hslhsl(0, 87%, 49%)
oklchoklch(0.592 0.238 28.7)
Closest name: Alarm (#ec0003)Relative luminance 0.179

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10eaea

#ea107d · #ea7d10

#10ea10 · #1010ea

Split-complementary

Open in tool →

#10ea7d · #107dea

#7dea10 · #10eaea · #7d10ea

Contrast

#ea1010 as textRatioAAAA largeAAAFix
Aaon white
4.59:1passpassfail
  • AAA: use #b00c0c as the text (7.23:1)
Aaon black
4.58:1passpassfail
  • AAA: use #f56b6b as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ea1010 as the background.

Brands using this color

Fonts for this mood

#ea1010 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ea1010
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 #ea1010 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ea1010-c4a19c-62cb98-2d251f-f1e9ed?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