Color

#424285

#424285
hex#424285
rgbrgb(66, 66, 133)
hslhsl(240, 34%, 39%)
oklchoklch(0.415 0.109 280.5)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0675

Colors that go with #424285

Steel Blue, Blue and Cornflower 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 →

#858542

#426385 · #634285

#854242 · #428542

Split-complementary

Open in tool →

#856342 · #638542

#854263 · #858542 · #428563

Contrast

#424285 as textRatioAAAA largeAAAFix
Aaon white
8.94:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #6f6fb8 as the text (4.64:1)
  • AAA: use #9292c9 as the text (7.18:1)
  • AA: or shift the background to #b8b8b8 (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424285 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #424285
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 #424285 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424285-a19cc4-df994e-251f2d-e9edf1?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