Color

#686dbb

#686dbb
hex#686dbb
rgbrgb(104, 109, 187)
hslhsl(236, 38%, 57%)
oklchoklch(0.566 0.12 279.1)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1747

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bbb568

#6897bb · #8c68bb

#bb686d · #6dbb68

Split-complementary

Open in tool →

#bb8c68 · #97bb68

#bb6897 · #bbb568 · #68bb8c

Contrast

#686dbb as textRatioAAAA largeAAAFix
Aaon white
4.67:1passpassfail
  • AAA: use #4a50a5 as the text (7.04:1)
Aaon black
4.49:1failpassfail
  • AA: use #6b71bd as the text (4.72:1)
  • AAA: use #8e93cc as the text (7.2:1)
  • AA: or shift the background to #fcfcfc (4.56:1)

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

#686dbb reads as cool, modern. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/686dbb-9e9cc4-df8f4e-241f2d-e9eef1?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