Color

#ea0b1e

#ea0b1e
hex#ea0b1e
rgbrgb(234, 11, 30)
hslhsl(355, 91%, 48%)
oklchoklch(0.592 0.238 26.9)
Closest name: Alarm (#ec0003)Relative luminance 0.1783

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0bead7

#ea0b8d · #ea680b

#1eea0b · #0b1eea

Split-complementary

Open in tool →

#0bea68 · #0b8dea

#8dea0b · #0bead7 · #680bea

Contrast

#ea0b1e as textRatioAAAA largeAAAFix
Aaon white
4.6:1passpassfail
  • AAA: use #b40817 as the text (7.03:1)
Aaon black
4.57:1passpassfail
  • AAA: use #f86370 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 #ea0b1e as the background.

Brands using this color

Fonts for this mood

#ea0b1e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ea0b1e
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 #ea0b1e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ea0b1e-c49e9c-62cb8f-2d241f-f1e9ee?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