Color

#e52424

#e52424
hex#e52424
rgbrgb(229, 36, 36)
hslhsl(0, 79%, 52%)
oklchoklch(0.592 0.224 27.6)
Closest name: Alarm (#ec0003)Relative luminance 0.1805

Tints & shades

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

Harmonies

Complementary

Open in tool →

#24e5e5

#e52485 · #e58524

#24e524 · #2424e5

Split-complementary

Open in tool →

#24e585 · #2485e5

#85e524 · #24e5e5 · #8524e5

Contrast

#e52424 as textRatioAAAA largeAAAFix
Aaon white
4.56:1passpassfail
  • AAA: use #ad1414 as the text (7.27:1)
Aaon black
4.61:1passpassfail
  • AAA: use #ee6d6d as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e52424 as the background.

Brands using this color

Fonts for this mood

#e52424 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e52424
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 #e52424 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e52424-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