Color

#5904ae

#5904ae
hex#5904ae
rgbrgb(89, 4, 174)
hslhsl(270, 96%, 35%)
oklchoklch(0.404 0.219 295.5)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0527

Colors that go with #5904ae

Olive Green, Charcoal and Tomato 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 →

#59af04

#0404af · #af04af

#af5904 · #04af59

Split-complementary

Open in tool →

#afaf04 · #04af04

#af0404 · #59af04 · #04afaf

Contrast

#5904ae as textRatioAAAA largeAAAFix
Aaon white
10.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #9e41fb as the text (4.6:1)
  • AAA: use #ba78fc as the text (7.18:1)
  • AA: or shift the background to #adadad (4.56:1)
  • AAA: or shift the background to #d6d6d6 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5904ae as the background.

Brands using this color

Fonts for this mood

#5904ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5904ae
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 #5904ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5904ae-b59cc4-c9cb62-2c1f2d-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