Color

#601b9d

#601b9d
hex#601b9d
rgbrgb(96, 27, 157)
hslhsl(272, 71%, 36%)
oklchoklch(0.409 0.191 302.2)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.057

Colors that go with #601b9d

Olive Green, Charcoal and Crimson 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 →

#579d1b

#1f1b9d · #9d1b99

#9d601b · #1b9d60

Split-complementary

Open in tool →

#999d1b · #1b9d1f

#9d1f1b · #579d1b · #1b999d

Contrast

#601b9d as textRatioAAAA largeAAAFix
Aaon white
9.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #9b4ce1 as the text (4.51:1)
  • AAA: use #b67ce9 as the text (7.05:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #601b9d 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

#601b9d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #601b9d
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 #601b9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/601b9d-b69cc4-c5cb62-2d1f2d-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