Color

#554fa1

#554fa1
hex#554fa1
rgbrgb(85, 79, 161)
hslhsl(244, 34%, 47%)
oklchoklch(0.475 0.128 283.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.101

Colors that go with #554fa1

Midnight Blue, Dark Olive Green and Sea 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.

Real palettes that use #554fa1

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#9ba14f

#4f72a1 · #7d4fa1

#a1554f · #4fa155

Split-complementary

Open in tool →

#a17d4f · #72a14f

#a14f72 · #9ba14f · #4fa17d

Contrast

#554fa1 as textRatioAAAA largeAAAFix
Aaon white
6.96:1passpassfail
  • AAA: use #534d9d as the text (7.2:1)
Aaon black
3.02:1failpassfail
  • AA: use #716cb7 as the text (4.53:1)
  • AAA: use #9592c9 as the text (7.23:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #554fa1 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 #554fa1
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 #554fa1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/554fa1-a39cc4-dfa24e-261f2d-e9edf1?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