Color

#81a4e4

#81a4e4
hex#81a4e4
rgbrgb(129, 164, 228)
hslhsl(219, 65%, 70%)
oklchoklch(0.718 0.102 262.1)
Closest name: Azureno (#8fa0d5)Relative luminance 0.3682

Colors that go with #81a4e4

Charcoal, Goldenrod 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 →

#e4c181

#81d5e4 · #9081e4

#e481a4 · #a4e481

Split-complementary

Open in tool →

#e49081 · #d5e481

#e481d5 · #e4c181 · #81e490

Contrast

#81a4e4 as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #3d73d6 as the text (4.54:1)
  • AAA: use #2554ad as the text (7.12:1)
  • AA: or shift the background to #383838 (4.67:1)
  • AAA: or shift the background to #171717 (7.14:1)
Aaon black
8.36:1passpasspassPasses 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 #81a4e4 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

#81a4e4 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81a4e4
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 #81a4e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81a4e4-9ca5c4-df664e-211f2d-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