Color

#81bddf

#81bddf
hex#81bddf
rgbrgb(129, 189, 223)
hslhsl(202, 59%, 69%)
oklchoklch(0.77 0.079 234)
Closest name: Double Denim (#95bce1)Relative luminance 0.4639

Colors that go with #81bddf

Charcoal, Dark Salmon and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfa481

#81dfd2 · #818edf

#df81bc · #bcdf81

Split-complementary

Open in tool →

#df818e · #dfd281

#d281df · #dfa481 · #8edf81

Contrast

#81bddf as textRatioAAAA largeAAAFix
Aaon white
2.04:1failfailfail
  • AA: use #2c7caa as the text (4.59:1)
  • AAA: use #215e82 as the text (7.03:1)
  • AA: or shift the background to #474747 (4.55:1)
  • AAA: or shift the background to #292929 (7.12:1)
Aaon black
10.28:1passpasspassPasses 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 #81bddf 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

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

mcpConnect your agent — build around #81bddf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #81bddf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81bddf-9cb1c4-df4e5f-1f222d-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