Color

#ad2525

#ad2525
hex#ad2525
rgbrgb(173, 37, 37)
hslhsl(0, 65%, 41%)
oklchoklch(0.49 0.172 26.4)
Closest name: Blood Rush (#aa2222)Relative luminance 0.1034

Colors that go with #ad2525

Royal Blue, Teal and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#25adad

#ad2569 · #ad6925

#25ad25 · #2525ad

Split-complementary

Open in tool →

#25ad69 · #2569ad

#69ad25 · #25adad · #6925ad

Contrast

#ad2525 as textRatioAAAA largeAAAFix
Aaon white
6.84:1passpassfail
  • AAA: use #a82424 as the text (7.14:1)
Aaon black
3.07:1failpassfail
  • AA: use #d63d3d as the text (4.59:1)
  • AAA: use #e27878 as the text (7.19:1)
  • AA: or shift the background to #d4d4d4 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad2525 as the background.

Brands using this color

Fonts for this mood

#ad2525 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad2525
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #ad2525 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad2525-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