Color

#ad0519

#ad0519
hex#ad0519
rgbrgb(173, 5, 25)
hslhsl(353, 94%, 35%)
oklchoklch(0.472 0.189 25.6)
Closest name: All Systems Red (#b30103)Relative luminance 0.0906

Tints & shades

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

Harmonies

Complementary

Open in tool →

#05ad9a

#ad056d · #ad4605

#19ad05 · #0519ad

Split-complementary

Open in tool →

#05ad46 · #056dad

#6dad05 · #05ad9a · #4605ad

Contrast

#ad0519 as textRatioAAAA largeAAAFix
Aaon white
7.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #e90721 as the text (4.52:1)
  • AAA: use #fa6173 as the text (7.02:1)
  • AA: or shift the background to #c9c9c9 (4.51:1)
  • AAA: or shift the background to #fafafa (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad0519 as the background.

Brands using this color

Fonts for this mood

#ad0519 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad0519
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 #ad0519 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad0519-c49c9c-62cb8c-2d241f-f1e9ee?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