Color

#4b277c

#4b277c
hex#4b277c
rgbrgb(75, 39, 124)
hslhsl(265, 52%, 32%)
oklchoklch(0.369 0.137 298.9)
Closest name: Galactic Civilization (#442288)Relative luminance 0.044

Colors that go with #4b277c

Royal Blue, Blue and Charcoal 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 →

#597c27

#272e7c · #75277c

#7c4b27 · #277c4b

Split-complementary

Open in tool →

#7c7527 · #2e7c27

#7c272e · #597c27 · #277c75

Contrast

#4b277c as textRatioAAAA largeAAAFix
Aaon white
11.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.88:1failfailfail
  • AA: use #8b5ccc as the text (4.5:1)
  • AAA: use #a987d9 as the text (7.15:1)
  • AA: or shift the background to #a6a6a6 (4.59:1)
  • AAA: or shift the background to #cfcfcf (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b277c 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

#4b277c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b277c
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 #4b277c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b277c-b19cc4-dfd54e-2b1f2d-e9eaf1?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