Color

#491971

#491971
hex#491971
rgbrgb(73, 25, 113)
hslhsl(273, 64%, 27%)
oklchoklch(0.339 0.142 304.5)
Closest name: Fading Horizon (#442266)Relative luminance 0.033

Colors that go with #491971

Steel Blue, Olive Green 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 →

#407119

#1d1971 · #71196d

#714919 · #197149

Split-complementary

Open in tool →

#6d7119 · #19711d

#711d19 · #407119 · #196d71

Contrast

#491971 as textRatioAAAA largeAAAFix
Aaon white
12.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #9b4fd8 as the text (4.5:1)
  • AAA: use #b57de3 as the text (7.01:1)
  • AA: or shift the background to #9c9c9c (4.61:1)
  • AAA: or shift the background to #c2c2c2 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #491971 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

#491971 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #491971
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 #491971 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/491971-b79cc4-c4cb62-2d1f2d-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