Color

#684eef

#684eef
hex#684eef
rgbrgb(104, 78, 239)
hslhsl(250, 83%, 62%)
oklchoklch(0.549 0.229 283.2)
Closest name: Candy Grape Fizz (#7755ee)Relative luminance 0.1462

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d4ef4e

#4e83ef · #b94eef

#ef684e · #4eef68

Split-complementary

Open in tool →

#efb94e · #83ef4e

#ef4e83 · #d4ef4e · #4eefb9

Contrast

#684eef as textRatioAAAA largeAAAFix
Aaon white
5.35:1passpassfail
  • AAA: use #4d2deb as the text (7.27:1)
Aaon black
3.92:1failpassfail
  • AA: use #745cf0 as the text (4.53:1)
  • AAA: use #9886f4 as the text (7.05:1)
  • AA: or shift the background to #ededed (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #684eef 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

#684eef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #684eef
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 #684eef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/684eef-a79cc4-dfb14e-281f2d-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