Color

#490a85

#490a85
hex#490a85
rgbrgb(73, 10, 133)
hslhsl(271, 86%, 28%)
oklchoklch(0.345 0.176 298.8)
Closest name: Indigo Static (#4b0183)Relative luminance 0.0333

Colors that go with #490a85

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 →

#45850a

#0c0a85 · #850a83

#85490a · #0a8549

Split-complementary

Open in tool →

#83850a · #0a850c

#850c0a · #45850a · #0a8385

Contrast

#490a85 as textRatioAAAA largeAAAFix
Aaon white
12.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #9e46f1 as the text (4.6:1)
  • AAA: use #ba7af5 as the text (7.19:1)
  • AA: or shift the background to #9c9c9c (4.59:1)
  • 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 #490a85 as the background.

Brands using this color

Fonts for this mood

#490a85 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #490a85
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 #490a85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/490a85-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