Color

#81a3bb

#81a3bb
hex#81a3bb
rgbrgb(129, 163, 187)
hslhsl(205, 30%, 62%)
oklchoklch(0.699 0.051 239.2)
Closest name: Blank Stare (#8b9cac)Relative luminance 0.3445

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb9981

#81bbb6 · #8186bb

#bb81a3 · #a3bb81

Split-complementary

Open in tool →

#bb8186 · #bbb681

#b681bb · #bb9981 · #86bb81

Contrast

#81a3bb as textRatioAAAA largeAAAFix
Aaon white
2.66:1failfailfail
  • AA: use #527b98 as the text (4.52:1)
  • AAA: use #3d5b71 as the text (7.16:1)
  • AA: or shift the background to #363636 (4.54:1)
  • AAA: or shift the background to #121212 (7.04:1)
Aaon black
7.89:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #81a3bb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #81a3bb
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 #81a3bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81a3bb-9cafc4-df4e58-1f212d-e9f1f0?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