Color

#4b3e84

#4b3e84
hex#4b3e84
rgbrgb(75, 62, 132)
hslhsl(251, 36%, 38%)
oklchoklch(0.414 0.113 289)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0661

Colors that go with #4b3e84

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 →

#77843e

#3e5484 · #6e3e84

#844b3e · #3e844b

Split-complementary

Open in tool →

#846e3e · #54843e

#843e54 · #77843e · #3e846e

Contrast

#4b3e84 as textRatioAAAA largeAAAFix
Aaon white
9.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #786ab9 as the text (4.56:1)
  • AAA: use #9b90cb as the text (7.25:1)
  • AA: or shift the background to #b8b8b8 (4.56:1)
  • AAA: or shift the background to #e3e3e3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b3e84 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

#4b3e84 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b3e84
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 #4b3e84 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b3e84-a89cc4-dfb34e-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