Color

#4c3d8a

#4c3d8a
hex#4c3d8a
rgbrgb(76, 61, 138)
hslhsl(252, 39%, 39%)
oklchoklch(0.417 0.123 288.9)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0671

Colors that go with #4c3d8a

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 →

#7b8a3d

#3d548a · #733d8a

#8a4c3d · #3d8a4c

Split-complementary

Open in tool →

#8a733d · #548a3d

#8a3d54 · #7b8a3d · #3d8a73

Contrast

#4c3d8a as textRatioAAAA largeAAAFix
Aaon white
8.97:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #7b6abe as the text (4.65:1)
  • AAA: use #9a8ecd as the text (7.12:1)
  • AA: or shift the background to #b8b8b8 (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c3d8a 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

#4c3d8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c3d8a
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 #4c3d8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c3d8a-a99cc4-dfb64e-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