Color

#683d85

#683d85
hex#683d85
rgbrgb(104, 61, 133)
hslhsl(276, 37%, 38%)
oklchoklch(0.444 0.121 309.9)
Closest name: Lords of the Night (#664488)Relative luminance 0.0797

Colors that go with #683d85

Charcoal, Midnight Blue and Royal Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a853d

#443d85 · #853d7e

#85683d · #3d8568

Split-complementary

Open in tool →

#7e853d · #3d8544

#85443d · #5a853d · #3d7e85

Contrast

#683d85 as textRatioAAAA largeAAAFix
Aaon white
8.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #9562b7 as the text (4.71:1)
  • AAA: use #af88c8 as the text (7.18:1)
  • AA: or shift the background to #c2c2c2 (4.54:1)
  • AAA: or shift the background to #f0f0f0 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #683d85 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

#683d85 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #683d85
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #683d85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/683d85-b99cc4-bfcb62-2d1f2d-eae9f1?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