Color

#6778da

#6778da
hex#6778da
rgbrgb(103, 120, 218)
hslhsl(231, 61%, 63%)
oklchoklch(0.606 0.149 273.7)
Closest name: Pan Purple (#657aef)Relative luminance 0.2138

Colors that go with #6778da

Charcoal, 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 →

#dac967

#67b2da · #8f67da

#da6778 · #78da67

Split-complementary

Open in tool →

#da8f67 · #b2da67

#da67b2 · #dac967 · #67da8f

Contrast

#6778da as textRatioAAAA largeAAAFix
Aaon white
3.98:1failpassfail
  • AA: use #5b6dd7 as the text (4.55:1)
  • AAA: use #3249cd as the text (7.07:1)
  • AA: or shift the background to #171717 (4.5:1)
Aaon black
5.28:1passpassfail
  • AAA: use #8492e1 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6778da as the background.

Brands using this color

Fonts for this mood

#6778da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6778da
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 #6778da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6778da-9c9ec4-df834e-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