Color

#858ab2

#858ab2
hex#858ab2
rgbrgb(133, 138, 178)
hslhsl(233, 23%, 61%)
oklchoklch(0.644 0.06 279)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2638

Colors that go with #858ab2

Charcoal, Copper and Dark Goldenrod 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 #858ab2

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b2ad85

#85a1b2 · #9685b2

#b2858a · #8ab285

Split-complementary

Open in tool →

#b29685 · #a1b285

#b285a1 · #b2ad85 · #85b296

Contrast

#858ab2 as textRatioAAAA largeAAAFix
Aaon white
3.35:1failpassfail
  • AA: use #6c72a3 as the text (4.59:1)
  • AAA: use #515681 as the text (7:1)
  • AA: or shift the background to #262626 (4.52:1)
Aaon black
6.28:1passpassfail
  • AAA: use #8e93b8 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #858ab2 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 #858ab2
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 #858ab2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/858ab2-9c9cc4-df884e-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