Color

#5700ad

#5700ad
hex#5700ad
rgbrgb(87, 0, 173)
hslhsl(270, 100%, 34%)
oklchoklch(0.399 0.219 295)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0504

Colors that go with #5700ad

Olive Green, Royal Blue and Teal 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 →

#57ad00

#0000ad · #ad00ad

#ad5700 · #00ad57

Split-complementary

Open in tool →

#adad00 · #00ad00

#ad0000 · #57ad00 · #00adad

Contrast

#5700ad as textRatioAAAA largeAAAFix
Aaon white
10.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #9e3dff as the text (4.57:1)
  • AAA: use #ba75ff as the text (7.08:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5700ad 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

#5700ad reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5700ad
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 #5700ad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5700ad-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