Color

#5709aa

#5709aa
hex#5709aa
rgbrgb(87, 9, 170)
hslhsl(269, 90%, 35%)
oklchoklch(0.4 0.213 295.4)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0512

Colors that go with #5709aa

Olive Green, Denim and Royal 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 →

#5caa09

#090caa · #a709aa

#aa5709 · #09aa57

Split-complementary

Open in tool →

#aaa709 · #0caa09

#aa090c · #5caa09 · #09aaa7

Contrast

#5709aa as textRatioAAAA largeAAAFix
Aaon white
10.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #9b47f5 as the text (4.61:1)
  • AAA: use #b87cf8 as the text (7.28:1)
  • AA: or shift the background to #ababab (4.52:1)
  • AAA: or shift the background to #d6d6d6 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5709aa 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

#5709aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5709aa
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 #5709aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5709aa-b49cc4-cbcb62-2c1f2d-e9e9f1?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