Color

#683ea8

#683ea8
hex#683ea8
rgbrgb(104, 62, 168)
hslhsl(264, 46%, 45%)
oklchoklch(0.469 0.163 298.1)
Closest name: rebeccapurple (#663399)Relative luminance 0.0922

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7da83e

#3e49a8 · #9d3ea8

#a8683e · #3ea868

Split-complementary

Open in tool →

#a89d3e · #49a83e

#a83e49 · #7da83e · #3ea89d

Contrast

#683ea8 as textRatioAAAA largeAAAFix
Aaon white
7.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #8a63c5 as the text (4.67:1)
  • AAA: use #a688d3 as the text (7.08:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #683ea8 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

#683ea8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #683ea8
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 #683ea8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/683ea8-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