Color

#686df3

#686df3
hex#686df3
rgbrgb(104, 109, 243)
hslhsl(238, 85%, 68%)
oklchoklch(0.603 0.197 277.1)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.2035

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f3ee68

#68b2f3 · #a968f3

#f3686d · #6df368

Split-complementary

Open in tool →

#f3a968 · #b2f368

#f368b2 · #f3ee68 · #68f3a9

Contrast

#686df3 as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #5f64f2 as the text (4.57:1)
  • AAA: use #343aef as the text (7.01:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.07:1passpassfail
  • AAA: use #898df5 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #686df3 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

#686df3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #686df3
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 #686df3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/686df3-9f9cc4-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