Color

#778bac

#778bac
hex#778bac
rgbrgb(119, 139, 172)
hslhsl(217, 24%, 57%)
oklchoklch(0.633 0.055 260.4)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2537

Colors that go with #778bac

Charcoal, Copper and Blush Pink 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 →

#ac9777

#77a6ac · #7d77ac

#ac778b · #8bac77

Split-complementary

Open in tool →

#ac7d77 · #a6ac77

#ac77a6 · #ac9777 · #77ac7d

Contrast

#778bac as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #5f769b as the text (4.61:1)
  • AAA: use #485975 as the text (7.09:1)
  • AA: or shift the background to #212121 (4.66:1)
Aaon black
6.07:1passpassfail
  • AAA: use #8799b5 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #778bac 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 #778bac
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 #778bac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/778bac-9ca7c4-df624e-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