Color

#56428f

#56428f
hex#56428f
rgbrgb(86, 66, 143)
hslhsl(256, 37%, 41%)
oklchoklch(0.44 0.122 292.6)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0786

Colors that go with #56428f

Charcoal, Steel 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 →

#7b8f42

#42548f · #7d428f

#8f5642 · #428f56

Split-complementary

Open in tool →

#8f7d42 · #548f42

#8f4254 · #7b8f42 · #428f7d

Contrast

#56428f as textRatioAAAA largeAAAFix
Aaon white
8.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #7e69ba as the text (4.62:1)
  • AAA: use #9c8cca as the text (7.02:1)
  • AA: or shift the background to #c2c2c2 (4.58:1)
  • AAA: or shift the background to #f0f0f0 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #56428f 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

#56428f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #56428f
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 #56428f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56428f-ab9cc4-dfbf4e-291f2d-e9ebf1?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