Color

#da2525

#da2525
hex#da2525
rgbrgb(218, 37, 37)
hslhsl(0, 71%, 50%)
oklchoklch(0.573 0.214 27.4)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1636

Tints & shades

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

Harmonies

Complementary

Open in tool →

#25dada

#da2580 · #da8025

#25da25 · #2525da

Split-complementary

Open in tool →

#25da80 · #2580da

#80da25 · #25dada · #8025da

Contrast

#da2525 as textRatioAAAA largeAAAFix
Aaon white
4.92:1passpassfail
  • AAA: use #aa1d1d as the text (7.23:1)
Aaon black
4.27:1failpassfail
  • AA: use #dc3232 as the text (4.55:1)
  • AAA: use #e77373 as the text (7.1:1)
  • AA: or shift the background to #f5f5f5 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #da2525 as the background.

Brands using this color

Fonts for this mood

#da2525 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #da2525
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 #da2525 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/da2525-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