Color

#686cde

#686cde
hex#686cde
rgbrgb(104, 108, 222)
hslhsl(238, 64%, 64%)
oklchoklch(0.586 0.17 278.2)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.1894

Tints & shades

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

Harmonies

Complementary

Open in tool →

#deda68

#68a7de · #9f68de

#de686c · #6cde68

Split-complementary

Open in tool →

#de9f68 · #a7de68

#de68a7 · #deda68 · #68de9f

Contrast

#686cde as textRatioAAAA largeAAAFix
Aaon white
4.39:1failpassfail
  • AA: use #6468dd as the text (4.6:1)
  • AAA: use #3f44d5 as the text (7:1)
  • AA: or shift the background to #0a0a0a (4.51:1)
Aaon black
4.79:1passpassfail
  • AAA: use #8a8de5 as the text (7.02:1)

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

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

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

tool url/palettes/new/686cde-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