Color

#5a3489

#5a3489
hex#5a3489
rgbrgb(90, 52, 137)
hslhsl(267, 45%, 37%)
oklchoklch(0.416 0.137 301.3)
Closest name: rebeccapurple (#663399)Relative luminance 0.0644

Colors that go with #5a3489

Charcoal, Royal Blue and 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 →

#638934

#343889 · #853489

#895a34 · #34895a

Split-complementary

Open in tool →

#898534 · #388934

#893438 · #638934 · #348985

Contrast

#5a3489 as textRatioAAAA largeAAAFix
Aaon white
9.18:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #8c60c3 as the text (4.58:1)
  • AAA: use #aa89d2 as the text (7.22:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a3489 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

#5a3489 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a3489
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 #5a3489 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a3489-b39cc4-dfda4e-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