Color

#ec2604

#ec2604
hex#ec2604
rgbrgb(236, 38, 4)
hslhsl(9, 97%, 47%)
oklchoklch(0.605 0.232 31.3)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.1923

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04c9ec

#ec0455 · #ec9b04

#04ec26 · #2604ec

Split-complementary

Open in tool →

#04ec9b · #0455ec

#55ec04 · #04c9ec · #9b04ec

Contrast

#ec2604 as textRatioAAAA largeAAAFix
Aaon white
4.33:1failpassfail
  • AA: use #e22503 as the text (4.67:1)
  • AAA: use #ab1c03 as the text (7.24:1)
  • AA: or shift the background to #0a0a0a (4.57:1)
Aaon black
4.85:1passpassfail
  • AAA: use #fc654a as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ec2604 as the background.

Brands using this color

Fonts for this mood

#ec2604 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec2604
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 #ec2604 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec2604-c4a79c-62cba8-2d271f-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