Color

#ad3c34

#ad3c34
hex#ad3c34
rgbrgb(173, 60, 52)
hslhsl(4, 54%, 44%)
oklchoklch(0.516 0.149 27.6)
Closest name: Barbarossa (#a84734)Relative luminance 0.1236

Tints & shades

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

Harmonies

Complementary

Open in tool →

#34a5ad

#ad3468 · #ad7834

#34ad3c · #3c34ad

Split-complementary

Open in tool →

#34ad78 · #3468ad

#68ad34 · #34a5ad · #7834ad

Contrast

#ad3c34 as textRatioAAAA largeAAAFix
Aaon white
6.05:1passpassfail
  • AAA: use #99352e as the text (7.23:1)
Aaon black
3.47:1failpassfail
  • AA: use #c74b43 as the text (4.52:1)
  • AAA: use #d67c76 as the text (7:1)
  • AA: or shift the background to #e0e0e0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad3c34 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ad3c34 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad3c34
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 #ad3c34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad3c34-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