Color

#777bb1

#777bb1
hex#777bb1
rgbrgb(119, 123, 177)
hslhsl(236, 27%, 58%)
oklchoklch(0.601 0.082 280.4)
Closest name: Aster (#867ba9)Relative luminance 0.2126

Colors that go with #777bb1

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 →

#b1ad77

#7798b1 · #9077b1

#b1777b · #7bb177

Split-complementary

Open in tool →

#b19077 · #98b177

#b17798 · #b1ad77 · #77b190

Contrast

#777bb1 as textRatioAAAA largeAAAFix
Aaon white
4:1failpassfail
  • AA: use #6d71ab as the text (4.56:1)
  • AAA: use #50548b as the text (7.04:1)
  • AA: or shift the background to #141414 (4.61:1)
Aaon black
5.25:1passpassfail
  • AAA: use #9194c0 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #777bb1 as the background.

Brands using this color

mcpConnect your agent — build around #777bb1
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 #777bb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/777bb1-9e9cc4-df8f4e-241f2d-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