Color

#ad0028

#ad0028
hex#ad0028
rgbrgb(173, 0, 40)
hslhsl(346, 100%, 34%)
oklchoklch(0.473 0.19 20.9)
Closest name: Bindi Red (#b0003c)Relative luminance 0.0904

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00ad85

#ad007f · #ad2e00

#28ad00 · #0028ad

Split-complementary

Open in tool →

#00ad2e · #007fad

#7fad00 · #00ad85 · #2e00ad

Contrast

#ad0028 as textRatioAAAA largeAAAFix
Aaon white
7.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #eb0037 as the text (4.59:1)
  • AAA: use #ff5c82 as the text (7.11:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad0028 as the background.

Brands using this color

Fonts for this mood

#ad0028 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad0028
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 #ad0028 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad0028-c49ca1-62cb80-2d221f-f1e9ef?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