Color

#864fcf

#864fcf
hex#864fcf
rgbrgb(134, 79, 207)
hslhsl(266, 57%, 56%)
oklchoklch(0.554 0.19 300)
Closest name: slateblue (#6a5acd)Relative luminance 0.1517

Colors that go with #864fcf

Charcoal, Royal Blue and Sea Green 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 →

#97cf4f

#4f57cf · #c64fcf

#cf864f · #4fcf86

Split-complementary

Open in tool →

#cfc64f · #57cf4f

#cf4f57 · #97cf4f · #4fcfc6

Contrast

#864fcf as textRatioAAAA largeAAAFix
Aaon white
5.21:1passpassfail
  • AAA: use #7135c0 as the text (7.06:1)
Aaon black
4.03:1failpassfail
  • AA: use #8f5bd2 as the text (4.59:1)
  • AAA: use #ad87de as the text (7.3:1)
  • AA: or shift the background to #f0f0f0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #864fcf 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

#864fcf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #864fcf
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 #864fcf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/864fcf-b29cc4-dfd74e-2b1f2d-e9eaf1?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