Color

#4b20a2

#4b20a2
hex#4b20a2
rgbrgb(75, 32, 162)
hslhsl(260, 67%, 38%)
oklchoklch(0.394 0.19 289.6)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0514

Colors that go with #4b20a2

Royal Blue, Crimson and Denim 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 →

#77a220

#2036a2 · #8c20a2

#a24b20 · #20a24b

Split-complementary

Open in tool →

#a28c20 · #36a220

#a22036 · #77a220 · #20a28c

Contrast

#4b20a2 as textRatioAAAA largeAAAFix
Aaon white
10.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #885ddf as the text (4.68:1)
  • AAA: use #a584e7 as the text (7.05:1)
  • AA: or shift the background to #ababab (4.51:1)
  • AAA: or shift the background to #d6d6d6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b20a2 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

#4b20a2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b20a2
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 #4b20a2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b20a2-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