Color

#810305

#810305
hex#810305
rgbrgb(129, 3, 5)
hslhsl(359, 95%, 26%)
oklchoklch(0.381 0.154 28.4)
Closest name: maroon (#800000)Relative luminance 0.0474

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03817f

#810344 · #814003

#058103 · #030581

Split-complementary

Open in tool →

#038140 · #034481

#448103 · #03817f · #400381

Contrast

#810305 as textRatioAAAA largeAAAFix
Aaon white
10.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #ea060a as the text (4.53:1)
  • AAA: use #fb6567 as the text (7.16:1)
  • AA: or shift the background to #a8a8a8 (4.53:1)
  • AAA: or shift the background to #d1d1d1 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #810305 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

#810305 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #810305
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 #810305 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/810305-c4a09c-62cb96-2d251f-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