Color

#ec040b

#ec040b
hex#ec040b
rgbrgb(236, 4, 11)
hslhsl(358, 97%, 47%)
oklchoklch(0.593 0.242 28.7)
Closest name: Alarm (#ec0003)Relative luminance 0.1794

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04ece4

#ec0480 · #ec7004

#0bec04 · #040bec

Split-complementary

Open in tool →

#04ec70 · #0480ec

#80ec04 · #04ece4 · #7004ec

Contrast

#ec040b as textRatioAAAA largeAAAFix
Aaon white
4.58:1passpassfail
  • AAA: use #b50309 as the text (7.04:1)
Aaon black
4.59:1passpassfail
  • AAA: use #fd6368 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ec040b as the background.

Brands using this color

Fonts for this mood

#ec040b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec040b
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 #ec040b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec040b-c49f9c-62cb95-2d251f-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