Color

#81bdfd

#81bdfd
hex#81bdfd
rgbrgb(129, 189, 253)
hslhsl(211, 97%, 75%)
oklchoklch(0.782 0.111 250.9)
Closest name: Cooler Than Ever (#77bbff)Relative luminance 0.4815

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdc181

#81fbfd · #8381fd

#fd81bd · #bdfd81

Split-complementary

Open in tool →

#fd8381 · #fbfd81

#fd81fb · #fdc181 · #81fd83

Contrast

#81bdfd as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #0472e7 as the text (4.6:1)
  • AAA: use #0356b0 as the text (7.09:1)
  • AA: or shift the background to #474747 (4.7:1)
  • AAA: or shift the background to #2b2b2b (7.17:1)
Aaon black
10.63:1passpasspassPasses 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 #81bdfd 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

#81bdfd reads as cool, vivid, light. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/81bdfd-9cabc4-df534e-1f202d-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