Color

#4b337a

#4b337a
hex#4b337a
rgbrgb(75, 51, 122)
hslhsl(260, 41%, 34%)
oklchoklch(0.387 0.116 296.1)
Closest name: Galactic Compass (#48357b)Relative luminance 0.0527

Colors that go with #4b337a

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 →

#637a33

#333f7a · #6e337a

#7a4b33 · #337a4b

Split-complementary

Open in tool →

#7a6e33 · #3f7a33

#7a333f · #637a33 · #337a6e

Contrast

#4b337a as textRatioAAAA largeAAAFix
Aaon white
10.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #8264be as the text (4.52:1)
  • AAA: use #a28ccf as the text (7.19:1)
  • AA: or shift the background to #adadad (4.56:1)
  • AAA: or shift the background to #d6d6d6 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b337a 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

#4b337a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b337a
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 #4b337a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b337a-ae9cc4-dfc94e-2a1f2d-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