Color

#683caa

#683caa
hex#683caa
rgbrgb(104, 60, 170)
hslhsl(264, 48%, 45%)
oklchoklch(0.468 0.168 298)
Closest name: rebeccapurple (#663399)Relative luminance 0.0908

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7eaa3c

#3c47aa · #9f3caa

#aa683c · #3caa68

Split-complementary

Open in tool →

#aa9f3c · #47aa3c

#aa3c47 · #7eaa3c · #3caa9f

Contrast

#683caa as textRatioAAAA largeAAAFix
Aaon white
7.46:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #8a60c7 as the text (4.58:1)
  • AAA: use #a88ad6 as the text (7.27:1)
  • AA: or shift the background to #c9c9c9 (4.5:1)
  • AAA: or shift the background to #fafafa (7.15:1)

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

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

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

tool url/palettes/new/683caa-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