Color

#5b22aa

#5b22aa
hex#5b22aa
rgbrgb(91, 34, 170)
hslhsl(265, 67%, 40%)
oklchoklch(0.422 0.197 295.5)
Closest name: rebeccapurple (#663399)Relative luminance 0.0627

Colors that go with #5b22aa

Royal Blue, Denim and Midnight 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 →

#71aa22

#222daa · #9f22aa

#aa5b22 · #22aa5b

Split-complementary

Open in tool →

#aa9f22 · #2daa22

#aa222d · #71aa22 · #22aa9f

Contrast

#5b22aa as textRatioAAAA largeAAAFix
Aaon white
9.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #9059de as the text (4.67:1)
  • AAA: use #ad84e7 as the text (7.23:1)
  • AA: or shift the background to #b5b5b5 (4.54:1)
  • AAA: or shift the background to #e0e0e0 (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 #5b22aa 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

#5b22aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b22aa
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 #5b22aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b22aa-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