Color

#856dd5

#856dd5
hex#856dd5
rgbrgb(133, 109, 213)
hslhsl(254, 55%, 63%)
oklchoklch(0.605 0.154 291.8)
Closest name: mediumpurple (#9370db)Relative luminance 0.2073

Colors that go with #856dd5

Charcoal, Amber and Crimson 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 →

#bcd56d

#6d88d5 · #b96dd5

#d5856d · #6dd585

Split-complementary

Open in tool →

#d5b96d · #88d56d

#d56d88 · #bcd56d · #6dd5b9

Contrast

#856dd5 as textRatioAAAA largeAAAFix
Aaon white
4.08:1failpassfail
  • AA: use #7b61d1 as the text (4.7:1)
  • AAA: use #5d3dc7 as the text (7.1:1)
  • AA: or shift the background to #141414 (4.51:1)
Aaon black
5.15:1passpassfail
  • AAA: use #9f8cde as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #856dd5 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

#856dd5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #856dd5
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 #856dd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/856dd5-aa9cc4-dfbb4e-291f2d-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