Color

#858bcc

#858bcc
hex#858bcc
rgbrgb(133, 139, 204)
hslhsl(235, 41%, 66%)
oklchoklch(0.658 0.097 279.3)
Closest name: Magic Carpet (#9488be)Relative luminance 0.2781

Colors that go with #858bcc

Charcoal, Amber and Blue 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 #858bcc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ccc685

#85aecc · #a285cc

#cc858b · #8bcc85

Split-complementary

Open in tool →

#cca285 · #aecc85

#cc85ae · #ccc685 · #85cca2

Contrast

#858bcc as textRatioAAAA largeAAAFix
Aaon white
3.2:1failpassfail
  • AA: use #686fc0 as the text (4.54:1)
  • AAA: use #474fa9 as the text (7.1:1)
  • AA: or shift the background to #292929 (4.55:1)
Aaon black
6.56:1passpassfail
  • AAA: use #8c92cf as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #858bcc as the background.

Brands using this color

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

Fonts for this mood

#858bcc reads as cool, modern. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/858bcc-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