Color

#ad0c00

#ad0c00
hex#ad0c00
rgbrgb(173, 12, 0)
hslhsl(4, 100%, 34%)
oklchoklch(0.473 0.189 30.1)
Closest name: All Systems Red (#b30103)Relative luminance 0.0915

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00a2ad

#ad004b · #ad6200

#00ad0c · #0c00ad

Split-complementary

Open in tool →

#00ad62 · #004bad

#4bad00 · #00a2ad · #6200ad

Contrast

#ad0c00 as textRatioAAAA largeAAAFix
Aaon white
7.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #eb1000 as the text (4.61:1)
  • AAA: use #ff6257 as the text (7.14:1)
  • AA: or shift the background to #cccccc (4.62:1)
  • AAA: or shift the background to #fafafa (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad0c00 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

#ad0c00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad0c00
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 #ad0c00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad0c00-c4a39c-62cb9f-2d261f-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