Color

#7780ac

#7780ac
hex#7780ac
rgbrgb(119, 128, 172)
hslhsl(230, 24%, 57%)
oklchoklch(0.609 0.068 275.3)
Closest name: Aster (#867ba9)Relative luminance 0.2234

Colors that go with #7780ac

Charcoal, Copper and Sea Green 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 →

#aca377

#779aac · #8977ac

#ac7780 · #80ac77

Split-complementary

Open in tool →

#ac8977 · #9aac77

#ac779a · #aca377 · #77ac89

Contrast

#7780ac as textRatioAAAA largeAAAFix
Aaon white
3.84:1failpassfail
  • AA: use #6a74a4 as the text (4.52:1)
  • AAA: use #4e567e as the text (7.1:1)
  • AA: or shift the background to #1a1a1a (4.53:1)
Aaon black
5.47:1passpassfail
  • AAA: use #8d95b9 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7780ac as the background.

Brands using this color

mcpConnect your agent — build around #7780ac
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 #7780ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7780ac-9c9ec4-df814e-231f2d-e9eef1?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