Color

#4d3c8b

#4d3c8b
hex#4d3c8b
rgbrgb(77, 60, 139)
hslhsl(253, 40%, 39%)
oklchoklch(0.417 0.126 289.7)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0667

Colors that go with #4d3c8b

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 →

#7a8b3c

#3c528b · #753c8b

#8b4d3c · #3c8b4d

Split-complementary

Open in tool →

#8b753c · #528b3c

#8b3c52 · #7a8b3c · #3c8b75

Contrast

#4d3c8b as textRatioAAAA largeAAAFix
Aaon white
8.99:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #7c69bf as the text (4.63:1)
  • AAA: use #9b8dce as the text (7.09:1)
  • AA: or shift the background to #b8b8b8 (4.53:1)
  • AAA: or shift the background to #e3e3e3 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d3c8b 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

#4d3c8b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d3c8b
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 #4d3c8b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d3c8b-a99cc4-dfb84e-281f2d-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