Color

#4b4082

#4b4082
hex#4b4082
rgbrgb(75, 64, 130)
hslhsl(250, 34%, 38%)
oklchoklch(0.417 0.107 288.5)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0677

Colors that go with #4b4082

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 →

#778240

#405682 · #6c4082

#824b40 · #40824b

Split-complementary

Open in tool →

#826c40 · #568240

#824056 · #778240 · #40826c

Contrast

#4b4082 as textRatioAAAA largeAAAFix
Aaon white
8.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #786cb7 as the text (4.63:1)
  • AAA: use #988ec7 as the text (7.03:1)
  • AA: or shift the background to #bababa (4.59:1)
  • AAA: or shift the background to #e6e6e6 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b4082 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 #4b4082
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 #4b4082 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b4082-a79cc4-dfb14e-281f2d-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