Color

#ac2020

#ac2020
hex#ac2020
rgbrgb(172, 32, 32)
hslhsl(0, 69%, 40%)
oklchoklch(0.484 0.176 26.9)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0991

Tints & shades

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

Harmonies

Complementary

Open in tool →

#20acac

#ac2066 · #ac6620

#20ac20 · #2020ac

Split-complementary

Open in tool →

#20ac66 · #2066ac

#66ac20 · #20acac · #6620ac

Contrast

#ac2020 as textRatioAAAA largeAAAFix
Aaon white
7.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #da3434 as the text (4.52:1)
  • AAA: use #e67575 as the text (7.17:1)
  • AA: or shift the background to #cfcfcf (4.52:1)
  • AAA: or shift the background to #ffffff (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 #ac2020 as the background.

Brands using this color

Fonts for this mood

#ac2020 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ac2020
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 #ac2020 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ac2020-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