Color

#6859de

#6859de
hex#6859de
rgbrgb(104, 89, 222)
hslhsl(247, 67%, 61%)
oklchoklch(0.553 0.195 283.1)
Closest name: slateblue (#6a5acd)Relative luminance 0.1536

Colors that go with #6859de

Charcoal, Sea Green and Amber 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 →

#cfde59

#598cde · #ab59de

#de6859 · #59de68

Split-complementary

Open in tool →

#deab59 · #8cde59

#de598c · #cfde59 · #59deab

Contrast

#6859de as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #4d3bd8 as the text (7.16:1)
Aaon black
4.07:1failpassfail
  • AA: use #7466e1 as the text (4.73:1)
  • AAA: use #978ce8 as the text (7.23:1)
  • AA: or shift the background to #f0f0f0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6859de as the background.

Brands using this color

Fonts for this mood

#6859de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6859de
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 #6859de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6859de-a59cc4-dfaa4e-271f2d-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