Color

#78829b

#78829b
hex#78829b
rgbrgb(120, 130, 155)
hslhsl(223, 15%, 54%)
oklchoklch(0.607 0.04 268)
Closest name: lightslategray (#778899)Relative luminance 0.2232

Colors that go with #78829b

Charcoal, Copper and Champagne 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 →

#9b9178

#78949b · #80789b

#9b7882 · #829b78

Split-complementary

Open in tool →

#9b8078 · #949b78

#9b7894 · #9b9178 · #789b80

Contrast

#78829b as textRatioAAAA largeAAAFix
Aaon white
3.84:1failpassfail
  • AA: use #6a7590 as the text (4.61:1)
  • AAA: use #50586d as the text (7.1:1)
  • AA: or shift the background to #1a1a1a (4.53:1)
Aaon black
5.46:1passpassfail
  • AAA: use #8d95aa as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #78829b as the background.

Brands using this color

mcpConnect your agent — build around #78829b
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 #78829b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78829b-9ca3c4-df704e-211f2d-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