Color

#ec1f09

#ec1f09
hex#ec1f09
rgbrgb(236, 31, 9)
hslhsl(6, 93%, 48%)
oklchoklch(0.601 0.234 30.3)
Closest name: Alarm (#ec0003)Relative luminance 0.1883

Tints & shades

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

Harmonies

Complementary

Open in tool →

#09d5ec

#ec0964 · #ec9109

#09ec1f · #1f09ec

Split-complementary

Open in tool →

#09ec91 · #0964ec

#64ec09 · #09d5ec · #9109ec

Contrast

#ec1f09 as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #e71f08 as the text (4.57:1)
  • AAA: use #ac1706 as the text (7.29:1)
  • AA: or shift the background to #080808 (4.55:1)
Aaon black
4.77:1passpassfail
  • AAA: use #f96858 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ec1f09 as the background.

Brands using this color

Fonts for this mood

#ec1f09 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec1f09
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 #ec1f09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec1f09-c4a59c-62cba3-2d271f-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