Color

#858ba8

#858ba8
hex#858ba8
rgbrgb(133, 139, 168)
hslhsl(230, 17%, 59%)
oklchoklch(0.642 0.044 275.9)
Closest name: Cool Gray (#8c92ac)Relative luminance 0.2628

Colors that go with #858ba8

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 #858ba8

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a8a285

#859ca8 · #9185a8

#a8858b · #8ba885

Split-complementary

Open in tool →

#a89185 · #9ca885

#a8859c · #a8a285 · #85a891

Contrast

#858ba8 as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #6d7497 as the text (4.57:1)
  • AAA: use #505671 as the text (7.21:1)
  • AA: or shift the background to #262626 (4.51:1)
Aaon black
6.26:1passpassfail
  • AAA: use #9196b1 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 #858ba8 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #858ba8
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 #858ba8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/858ba8-9c9ec4-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