Color

#5a478a

#5a478a
hex#5a478a
rgbrgb(90, 71, 138)
hslhsl(257, 32%, 41%)
oklchoklch(0.45 0.107 294.8)
Closest name: Lords of the Night (#664488)Relative luminance 0.0852

Colors that go with #5a478a

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 →

#778a47

#47568a · #7c478a

#8a5a47 · #478a5a

Split-complementary

Open in tool →

#8a7c47 · #568a47

#8a4756 · #778a47 · #478a7c

Contrast

#5a478a as textRatioAAAA largeAAAFix
Aaon white
7.77:1passpasspassPasses AAA — no fix needed.
Aaon black
2.7:1failfailfail
  • AA: use #7f6bb3 as the text (4.66:1)
  • AAA: use #9c8dc4 as the text (7.02:1)
  • AA: or shift the background to #c7c7c7 (4.6:1)
  • AAA: or shift the background to #f5f5f5 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a478a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #5a478a
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 #5a478a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a478a-ac9cc4-dfc24e-291f2d-e9ebf1?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