Color

#56388f

#56388f
hex#56388f
rgbrgb(86, 56, 143)
hslhsl(261, 44%, 39%)
oklchoklch(0.422 0.138 295.8)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0679

Colors that go with #56388f

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 →

#718f38

#38458f · #82388f

#8f5638 · #388f56

Split-complementary

Open in tool →

#8f8238 · #458f38

#8f3845 · #718f38 · #388f82

Contrast

#56388f as textRatioAAAA largeAAAFix
Aaon white
8.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #8665c3 as the text (4.66:1)
  • AAA: use #a389d1 as the text (7.06:1)
  • AA: or shift the background to #bababa (4.59:1)
  • AAA: or shift the background to #e6e6e6 (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 #56388f 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

#56388f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #56388f
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 #56388f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56388f-af9cc4-dfcb4e-2a1f2d-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