Color

#5f1daa

#5f1daa
hex#5f1daa
rgbrgb(95, 29, 170)
hslhsl(268, 71%, 39%)
oklchoklch(0.422 0.202 297.9)
Closest name: rebeccapurple (#663399)Relative luminance 0.0621

Colors that go with #5f1daa

Denim, Olive 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 →

#68aa1d

#1d22aa · #a51daa

#aa5f1d · #1daa5f

Split-complementary

Open in tool →

#aaa51d · #22aa1d

#aa1d22 · #68aa1d · #1daaa5

Contrast

#5f1daa as textRatioAAAA largeAAAFix
Aaon white
9.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #9451e1 as the text (4.52:1)
  • AAA: use #b281ea as the text (7.22:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5f1daa 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

#5f1daa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5f1daa
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 #5f1daa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5f1daa-b39cc4-dfdc4e-2c1f2d-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