Color

#81abdf

#81abdf
hex#81abdf
rgbrgb(129, 171, 223)
hslhsl(213, 59%, 69%)
oklchoklch(0.731 0.089 254.2)
Closest name: Birdie Num Num (#89acda)Relative luminance 0.3912

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfb581

#81dadf · #8681df

#df81ab · #abdf81

Split-complementary

Open in tool →

#df8681 · #dadf81

#df81da · #dfb581 · #81df86

Contrast

#81abdf as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #3376c7 as the text (4.61:1)
  • AAA: use #275996 as the text (7.11:1)
  • AA: or shift the background to #3d3d3d (4.56:1)
  • AAA: or shift the background to #1c1c1c (7.16:1)
Aaon black
8.82:1passpasspassPasses 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 #81abdf 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

#81abdf reads as cool, modern. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/81abdf-9ca9c4-df584e-1f202d-e9f0f1?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