Color

#ad252b

#ad252b
hex#ad252b
rgbrgb(173, 37, 43)
hslhsl(357, 65%, 41%)
oklchoklch(0.491 0.172 24.3)
Closest name: Blood Rush (#aa2222)Relative luminance 0.1038

Colors that go with #ad252b

Royal Blue, Teal and Dark Olive Green 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 →

#25ada6

#ad256f · #ad6225

#2bad25 · #252bad

Split-complementary

Open in tool →

#25ad62 · #256fad

#6fad25 · #25ada6 · #6225ad

Contrast

#ad252b as textRatioAAAA largeAAAFix
Aaon white
6.83:1passpassfail
  • AAA: use #a8242a as the text (7.12:1)
Aaon black
3.08:1failpassfail
  • AA: use #d63d45 as the text (4.61:1)
  • AAA: use #e2747a as the text (7.01:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad252b as the background.

Brands using this color

Fonts for this mood

#ad252b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad252b
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 #ad252b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad252b-c49f9c-62cb93-2d251f-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