Color

#491e85

#491e85
hex#491e85
rgbrgb(73, 30, 133)
hslhsl(265, 63%, 32%)
oklchoklch(0.362 0.159 296.5)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0404

Colors that go with #491e85

Royal Blue, Charcoal 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 →

#5a851e

#1e2785 · #7c1e85

#85491e · #1e8549

Split-complementary

Open in tool →

#857c1e · #27851e

#851e27 · #5a851e · #1e857c

Contrast

#491e85 as textRatioAAAA largeAAAFix
Aaon white
11.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #8e59d9 as the text (4.58:1)
  • AAA: use #aa82e3 as the text (7.01:1)
  • AA: or shift the background to #a3a3a3 (4.61:1)
  • AAA: or shift the background to #c9c9c9 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #491e85 as the background.

Brands using this color

Fonts for this mood

#491e85 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #491e85
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 #491e85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/491e85-b19cc4-dfd54e-2b1f2d-e9eaf1?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