Color

#856dfd

#856dfd
hex#856dfd
rgbrgb(133, 109, 253)
hslhsl(250, 97%, 71%)
oklchoklch(0.631 0.206 286.6)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.2302

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e5fd6d

#6d9dfd · #cd6dfd

#fd856d · #6dfd85

Split-complementary

Open in tool →

#fdcd6d · #9dfd6d

#fd6d9d · #e5fd6d · #6dfdcd

Contrast

#856dfd as textRatioAAAA largeAAAFix
Aaon white
3.75:1failpassfail
  • AA: use #7459fc as the text (4.59:1)
  • AAA: use #4a27fc as the text (7.03:1)
  • AA: or shift the background to #1c1c1c (4.55:1)
Aaon black
5.6:1passpassfail
  • AAA: use #9a86fd 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 #856dfd 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

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

mcpConnect your agent — build around #856dfd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #856dfd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/856dfd-a79cc4-dfb14e-281f2d-e9ecf1?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