Color

#490971

#490971
hex#490971
rgbrgb(73, 9, 113)
hslhsl(277, 85%, 24%)
oklchoklch(0.325 0.157 306.4)
Closest name: indigo (#4b0082)Relative luminance 0.028

Colors that go with #490971

Crimson, Tomato and Olive Green 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 →

#317109

#150971 · #710965

#714909 · #097149

Split-complementary

Open in tool →

#657109 · #097115

#711509 · #317109 · #096571

Contrast

#490971 as textRatioAAAA largeAAAFix
Aaon white
13.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #a939ef as the text (4.52:1)
  • AAA: use #c476f4 as the text (7.24:1)
  • AA: or shift the background to #969696 (4.55:1)
  • AAA: or shift the background to #bdbdbd (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #490971 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

#490971 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #490971
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 #490971 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/490971-b99cc4-bdcb62-2d1f2c-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