Color

#81a1bb

#81a1bb
hex#81a1bb
rgbrgb(129, 161, 187)
hslhsl(207, 30%, 62%)
oklchoklch(0.694 0.052 243.1)
Closest name: Blank Stare (#8b9cac)Relative luminance 0.3374

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb9b81

#81bbb8 · #8184bb

#bb81a1 · #a1bb81

Split-complementary

Open in tool →

#bb8184 · #bbb881

#b881bb · #bb9b81 · #84bb81

Contrast

#81a1bb as textRatioAAAA largeAAAFix
Aaon white
2.71:1failfailfail
  • AA: use #527998 as the text (4.62:1)
  • AAA: use #3e5c74 as the text (7.03:1)
  • AA: or shift the background to #333333 (4.66:1)
  • AAA: or shift the background to #0f0f0f (7.07:1)
Aaon black
7.75:1passpasspassPasses 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 #81a1bb 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 #81a1bb
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 #81a1bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81a1bb-9cadc4-df4e53-1f212d-e9f1f1?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