Color

#686dfd

#686dfd
hex#686dfd
rgbrgb(104, 109, 253)
hslhsl(238, 97%, 70%)
oklchoklch(0.61 0.21 276.7)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.2097

Colors that go with #686dfd

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 →

#fdf868

#68b7fd · #ae68fd

#fd686d · #6dfd68

Split-complementary

Open in tool →

#fdae68 · #b7fd68

#fd68b7 · #fdf868 · #68fdae

Contrast

#686dfd as textRatioAAAA largeAAAFix
Aaon white
4.04:1failpassfail
  • AA: use #595ffc as the text (4.7:1)
  • AAA: use #2c33fc as the text (7.03:1)
  • AA: or shift the background to #141414 (4.56:1)
Aaon black
5.19:1passpassfail
  • AAA: use #868afd as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #686dfd as the background.

Brands using this color

Fonts for this mood

#686dfd reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #686dfd
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 #686dfd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/686dfd-9f9cc4-df944e-251f2d-e9edf1?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