Color

#5b337a

#5b337a
hex#5b337a
rgbrgb(91, 51, 122)
hslhsl(274, 41%, 34%)
oklchoklch(0.405 0.12 307.9)
Closest name: Imperial (#602f6b)Relative luminance 0.06

Colors that go with #5b337a

Charcoal, Crimson and Denim 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 →

#527a33

#38337a · #7a3376

#7a5b33 · #337a5b

Split-complementary

Open in tool →

#767a33 · #337a38

#7a3833 · #527a33 · #33767a

Contrast

#5b337a as textRatioAAAA largeAAAFix
Aaon white
9.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #935dbb as the text (4.52:1)
  • AAA: use #ad85cc as the text (7:1)
  • AA: or shift the background to #b3b3b3 (4.55:1)
  • AAA: or shift the background to #dedede (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b337a 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

#5b337a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b337a
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 #5b337a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b337a-b79cc4-c2cb62-2d1f2d-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