Color

#4d338a

#4d338a
hex#4d338a
rgbrgb(77, 51, 138)
hslhsl(258, 46%, 37%)
oklchoklch(0.401 0.138 292.9)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0578

Colors that go with #4d338a

Charcoal, Royal 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 →

#708a33

#33448a · #78338a

#8a4d33 · #338a4d

Split-complementary

Open in tool →

#8a7833 · #448a33

#8a3344 · #708a33 · #338a78

Contrast

#4d338a as textRatioAAAA largeAAAFix
Aaon white
9.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.16:1failfailfail
  • AA: use #8063c5 as the text (4.51:1)
  • AAA: use #a18cd4 as the text (7.22:1)
  • AA: or shift the background to #b3b3b3 (4.65:1)
  • AAA: or shift the background to #dbdbdb (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d338a 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

#4d338a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d338a
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 #4d338a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d338a-ad9cc4-dfc44e-291f2d-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