Color

#68319b

#68319b
hex#68319b
rgbrgb(104, 49, 155)
hslhsl(271, 52%, 40%)
oklchoklch(0.442 0.166 304.2)
Closest name: rebeccapurple (#663399)Relative luminance 0.0751

Colors that go with #68319b

Crimson, Denim and Tomato 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 →

#649b31

#33319b · #9b3199

#9b6831 · #319b68

Split-complementary

Open in tool →

#999b31 · #319b33

#9b3331 · #649b31 · #31999b

Contrast

#68319b as textRatioAAAA largeAAAFix
Aaon white
8.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #965ccc as the text (4.7:1)
  • AAA: use #af83d8 as the text (7.06:1)
  • AA: or shift the background to #bfbfbf (4.57:1)
  • AAA: or shift the background to #ebebeb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #68319b as the background.

Brands using this color

Fonts for this mood

#68319b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #68319b
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 #68319b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/68319b-b59cc4-c7cb62-2c1f2d-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