Color

#683fa6

#683fa6
hex#683fa6
rgbrgb(104, 63, 166)
hslhsl(264, 45%, 45%)
oklchoklch(0.469 0.159 298.4)
Closest name: rebeccapurple (#663399)Relative luminance 0.0925

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7da63f

#3f49a6 · #9c3fa6

#a6683f · #3fa668

Split-complementary

Open in tool →

#a69c3f · #49a63f

#a63f49 · #7da63f · #3fa69c

Contrast

#683fa6 as textRatioAAAA largeAAAFix
Aaon white
7.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #8a64c4 as the text (4.7:1)
  • AAA: use #a689d2 as the text (7.13:1)
  • AA: or shift the background to #cccccc (4.59:1)
  • AAA: or shift the background to #fafafa (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #683fa6 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

#683fa6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #683fa6
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 #683fa6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/683fa6-b19cc4-dfd34e-2b1f2d-e9eaf1?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