Color

#473b91

#473b91
hex#473b91
rgbrgb(71, 59, 145)
hslhsl(248, 42%, 40%)
oklchoklch(0.414 0.136 285.1)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0651

Colors that go with #473b91

Charcoal, Sea Green and Steel 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 →

#85913b

#3b5b91 · #713b91

#91473b · #3b9147

Split-complementary

Open in tool →

#91713b · #5b913b

#913b5b · #85913b · #3b9171

Contrast

#473b91 as textRatioAAAA largeAAAFix
Aaon white
9.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #766bc2 as the text (4.65:1)
  • AAA: use #988fd1 as the text (7.18:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #473b91 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

#473b91 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #473b91
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 #473b91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/473b91-a69cc4-dfac4e-271f2d-e9ecf1?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