Color

#4a2b91

#4a2b91
hex#4a2b91
rgbrgb(74, 43, 145)
hslhsl(258, 54%, 37%)
oklchoklch(0.391 0.158 291.3)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0523

Colors that go with #4a2b91

Royal Blue, Blue 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 →

#73912b

#2b4091 · #7d2b91

#914a2b · #2b914a

Split-complementary

Open in tool →

#917d2b · #40912b

#912b40 · #73912b · #2b917d

Contrast

#4a2b91 as textRatioAAAA largeAAAFix
Aaon white
10.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #8362d0 as the text (4.62:1)
  • AAA: use #a289dc as the text (7.15:1)
  • AA: or shift the background to #adadad (4.57:1)
  • AAA: or shift the background to #d6d6d6 (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 #4a2b91 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

#4a2b91 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a2b91
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 #4a2b91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a2b91-ad9cc4-dfc44e-291f2d-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