Color

#778bc5

#778bc5
hex#778bc5
rgbrgb(119, 139, 197)
hslhsl(225, 40%, 62%)
oklchoklch(0.644 0.09 269.2)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2642

Colors that go with #778bc5

Charcoal, Medium Sea Green 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 →

#c5b177

#77b1c5 · #8b77c5

#c5778b · #8bc577

Split-complementary

Open in tool →

#c58b77 · #b1c577

#c577b1 · #c5b177 · #77c58b

Contrast

#778bc5 as textRatioAAAA largeAAAFix
Aaon white
3.34:1failpassfail
  • AA: use #5b72b9 as the text (4.61:1)
  • AAA: use #405696 as the text (7.02:1)
  • AA: or shift the background to #262626 (4.53:1)
Aaon black
6.28:1passpassfail
  • AAA: use #8294c9 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #778bc5 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

#778bc5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #778bc5
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 #778bc5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/778bc5-9ca1c4-df754e-221f2d-e9eff1?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