Color

#5f1fa3

#5f1fa3
hex#5f1fa3
rgbrgb(95, 31, 163)
hslhsl(269, 68%, 38%)
oklchoklch(0.417 0.193 299.6)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0606

Colors that go with #5f1fa3

Crimson, Denim and Olive Green 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 →

#63a31f

#1f21a3 · #a11fa3

#a35f1f · #1fa35f

Split-complementary

Open in tool →

#a3a11f · #21a31f

#a31f21 · #63a31f · #1fa3a1

Contrast

#5f1fa3 as textRatioAAAA largeAAAFix
Aaon white
9.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #9754de as the text (4.64:1)
  • AAA: use #b17ee7 as the text (7.01:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5f1fa3 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

#5f1fa3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5f1fa3
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 #5f1fa3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5f1fa3-b49cc4-cbcb62-2c1f2d-e9e9f1?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