Color

#856be6

#856be6
hex#856be6
rgbrgb(133, 107, 230)
hslhsl(253, 71%, 66%)
oklchoklch(0.613 0.179 289.8)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.2122

Colors that go with #856be6

Amber, Blue and Deep Sky 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cbe66b

#6b8ee6 · #c36be6

#e6856b · #6be685

Split-complementary

Open in tool →

#e6c36b · #8ee66b

#e66b8e · #cbe66b · #6be6c3

Contrast

#856be6 as textRatioAAAA largeAAAFix
Aaon white
4.01:1failpassfail
  • AA: use #7b5ee4 as the text (4.6:1)
  • AAA: use #5732dc as the text (7.25:1)
  • AA: or shift the background to #141414 (4.6:1)
Aaon black
5.24:1passpassfail
  • AAA: use #9e89eb as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #856be6 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

#856be6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #856be6
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 #856be6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/856be6-a99cc4-dfb84e-281f2d-e9ebf1?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