Color

#57328b

#57328b
hex#57328b
rgbrgb(87, 50, 139)
hslhsl(265, 47%, 37%)
oklchoklch(0.411 0.142 299.2)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0617

Colors that go with #57328b

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 →

#668b32

#32398b · #83328b

#8b5732 · #328b57

Split-complementary

Open in tool →

#8b8332 · #398b32

#8b3239 · #668b32 · #328b83

Contrast

#57328b as textRatioAAAA largeAAAFix
Aaon white
9.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #8c62c6 as the text (4.68:1)
  • AAA: use #a787d4 as the text (7.06:1)
  • AA: or shift the background to #b5b5b5 (4.58:1)
  • AAA: or shift the background to #e0e0e0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57328b 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

#57328b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #57328b
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 #57328b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57328b-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