Color

#490b84

#490b84
hex#490b84
rgbrgb(73, 11, 132)
hslhsl(271, 85%, 28%)
oklchoklch(0.345 0.174 299.1)
Closest name: Indigo Static (#4b0183)Relative luminance 0.0332

Colors that go with #490b84

Charcoal, Crimson and Royal 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 →

#45840b

#0d0b84 · #840b82

#84490b · #0b8449

Split-complementary

Open in tool →

#82840b · #0b840d

#840d0b · #45840b · #0b8284

Contrast

#490b84 as textRatioAAAA largeAAAFix
Aaon white
12.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #9e47f0 as the text (4.61:1)
  • AAA: use #ba7bf4 as the text (7.23:1)
  • AA: or shift the background to #9c9c9c (4.6:1)
  • AAA: or shift the background to #c2c2c2 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #490b84 as the background.

Brands using this color

Fonts for this mood

#490b84 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #490b84
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 #490b84 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/490b84-b59cc4-c7cb62-2c1f2d-eae9f1?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