Color

#4b148f

#4b148f
hex#4b148f
rgbrgb(75, 20, 143)
hslhsl(267, 75%, 32%)
oklchoklch(0.364 0.18 295.9)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0398

Colors that go with #4b148f

Royal Blue, Charcoal and Crimson 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 →

#588f14

#141b8f · #89148f

#8f4b14 · #148f4b

Split-complementary

Open in tool →

#8f8914 · #1b8f14

#8f141b · #588f14 · #148f89

Contrast

#4b148f as textRatioAAAA largeAAAFix
Aaon white
11.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #9451e6 as the text (4.58:1)
  • AAA: use #b07eed as the text (7.05:1)
  • AA: or shift the background to #a1a1a1 (4.53:1)
  • AAA: or shift the background to #c9c9c9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b148f as the background.

Brands using this color

Fonts for this mood

#4b148f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b148f
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 #4b148f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b148f-b39cc4-dfda4e-2c1f2d-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