Color

#858db7

#858db7
hex#858db7
rgbrgb(133, 141, 183)
hslhsl(230, 26%, 62%)
oklchoklch(0.652 0.063 276.1)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2746

Colors that go with #858db7

Charcoal, Amber and Copper 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 #858db7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b7af85

#85a6b7 · #9685b7

#b7858d · #8db785

Split-complementary

Open in tool →

#b79685 · #a6b785

#b785a6 · #b7af85 · #85b796

Contrast

#858db7 as textRatioAAAA largeAAAFix
Aaon white
3.24:1failpassfail
  • AA: use #6872a6 as the text (4.62:1)
  • AAA: use #4d5684 as the text (7.05:1)
  • AA: or shift the background to #262626 (4.68:1)
Aaon black
6.49:1passpassfail
  • AAA: use #8f96bd as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #858db7 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 #858db7
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 #858db7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/858db7-9c9ec4-df814e-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