Color

#858fa8

#858fa8
hex#858fa8
rgbrgb(133, 143, 168)
hslhsl(223, 17%, 59%)
oklchoklch(0.651 0.039 268.1)
Closest name: Cool Gray (#8c92ac)Relative luminance 0.2746

Colors that go with #858fa8

Charcoal, Copper and Denim 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 #858fa8

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a89e85

#85a1a8 · #8c85a8

#a8858f · #8fa885

Split-complementary

Open in tool →

#a88c85 · #a1a885

#a885a1 · #a89e85 · #85a88c

Contrast

#858fa8 as textRatioAAAA largeAAAFix
Aaon white
3.23:1failpassfail
  • AA: use #6a7695 as the text (4.53:1)
  • AAA: use #4e576e as the text (7.21:1)
  • AA: or shift the background to #262626 (4.68:1)
Aaon black
6.49:1passpassfail
  • AAA: use #8e97af 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 #858fa8 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 #858fa8
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 #858fa8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/858fa8-9ca3c4-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