Color

#4b4582

#4b4582
hex#4b4582
rgbrgb(75, 69, 130)
hslhsl(246, 31%, 39%)
oklchoklch(0.427 0.099 285.9)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0736

Colors that go with #4b4582

Sea Green, 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 →

#7c8245

#455d82 · #6a4582

#824b45 · #45824b

Split-complementary

Open in tool →

#826a45 · #5d8245

#82455d · #7c8245 · #45826a

Contrast

#4b4582 as textRatioAAAA largeAAAFix
Aaon white
8.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #736cb2 as the text (4.52:1)
  • AAA: use #9691c5 as the text (7.15:1)
  • AA: or shift the background to #bdbdbd (4.52:1)
  • AAA: or shift the background to #ebebeb (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 #4b4582 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 #4b4582
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 #4b4582 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b4582-a59cc4-dfa74e-271f2d-e9ecf1?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