Color

#778cb1

#778cb1
hex#778cb1
rgbrgb(119, 140, 177)
hslhsl(218, 27%, 58%)
oklchoklch(0.637 0.061 261.6)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2585

Colors that go with #778cb1

Charcoal, Copper 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.

Real palettes that use #778cb1

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b19c77

#77a9b1 · #7f77b1

#b1778c · #8cb177

Split-complementary

Open in tool →

#b17f77 · #a9b177

#b177a9 · #b19c77 · #77b17f

Contrast

#778cb1 as textRatioAAAA largeAAAFix
Aaon white
3.4:1failpassfail
  • AA: use #5d76a2 as the text (4.59:1)
  • AAA: use #455878 as the text (7.19:1)
  • AA: or shift the background to #242424 (4.56:1)
Aaon black
6.17:1passpassfail
  • AAA: use #8497b8 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #778cb1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #778cb1
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 #778cb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/778cb1-9ca6c4-df644e-201f2d-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