Color

#791bfe

#791bfe
hex#791bfe
rgbrgb(121, 27, 254)
hslhsl(265, 99%, 55%)
oklchoklch(0.53 0.284 291.2)
Closest name: Poisoning Purple (#7f01fe)Relative luminance 0.12

Colors that go with #791bfe

Olive Green, Deep Sky Blue and Medium Slate 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 →

#9ffe1b

#1b2efe · #eb1bfe

#fe791b · #1bfe79

Split-complementary

Open in tool →

#feeb1b · #2efe1b

#fe1b2e · #9ffe1b · #1bfeeb

Contrast

#791bfe as textRatioAAAA largeAAAFix
Aaon white
6.17:1passpassfail
  • AAA: use #6801f9 as the text (7.09:1)
Aaon black
3.4:1failpassfail
  • AA: use #9448fe as the text (4.62:1)
  • AAA: use #b27bfe as the text (7.16:1)
  • AA: or shift the background to #dedede (4.59:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/791bfe-b19cc4-dfd54e-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