Color

#ac2a2a

#ac2a2a
hex#ac2a2a
rgbrgb(172, 42, 42)
hslhsl(0, 61%, 42%)
oklchoklch(0.493 0.167 25.8)
Closest name: Blood Rush (#aa2222)Relative luminance 0.1059

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2aacac

#ac2a6b · #ac6b2a

#2aac2a · #2a2aac

Split-complementary

Open in tool →

#2aac6b · #2a6bac

#6bac2a · #2aacac · #6b2aac

Contrast

#ac2a2a as textRatioAAAA largeAAAFix
Aaon white
6.73:1passpassfail
  • AAA: use #a42828 as the text (7.21:1)
Aaon black
3.12:1failpassfail
  • AA: use #d14242 as the text (4.57:1)
  • AAA: use #de7878 as the text (7.06:1)
  • AA: or shift the background to #d4d4d4 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ac2a2a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#ac2a2a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ac2a2a
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 #ac2a2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ac2a2a-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