Color

#791fa3

#791fa3
hex#791fa3
rgbrgb(121, 31, 163)
hslhsl(281, 68%, 38%)
oklchoklch(0.451 0.199 311.8)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0769

Colors that go with #791fa3

Denim, Forest Green and Charcoal 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 →

#49a31f

#371fa3 · #a31f8b

#a3791f · #1fa379

Split-complementary

Open in tool →

#8ba31f · #1fa337

#a3371f · #49a31f · #1f8ba3

Contrast

#791fa3 as textRatioAAAA largeAAAFix
Aaon white
8.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.54:1failfailfail
  • AA: use #ab43db as the text (4.56:1)
  • AAA: use #c276e5 as the text (7.02:1)
  • AA: or shift the background to #c2c2c2 (4.65:1)
  • AAA: or shift the background to #ededed (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #791fa3 as the background.

Brands using this color

Fonts for this mood

#791fa3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #791fa3
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 #791fa3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/791fa3-ba9fc1-b6cb62-2d1f2c-ebe9f1?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