Color

#878bba

#878bba
hex#878bba
rgbrgb(135, 139, 186)
hslhsl(235, 27%, 63%)
oklchoklch(0.651 0.07 280.5)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2716

Colors that go with #878bba

Charcoal, Copper 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.

Real palettes that use #878bba

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bab687

#87a5ba · #9c87ba

#ba878b · #8bba87

Split-complementary

Open in tool →

#ba9c87 · #a5ba87

#ba87a5 · #bab687 · #87ba9c

Contrast

#878bba as textRatioAAAA largeAAAFix
Aaon white
3.26:1failpassfail
  • AA: use #6d72ab as the text (4.52:1)
  • AAA: use #4e5388 as the text (7.2:1)
  • AA: or shift the background to #262626 (4.64:1)
Aaon black
6.43:1passpassfail
  • AAA: use #8e92be 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 #878bba as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #878bba
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 #878bba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/878bba-9e9cc4-df8d4e-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