Color

#554a8c

#554a8c
hex#554a8c
rgbrgb(85, 74, 140)
hslhsl(250, 31%, 42%)
oklchoklch(0.452 0.105 289.1)
Closest name: Freshly Purpleized (#5c5083)Relative luminance 0.0872

Colors that go with #554a8c

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.

Real palettes that use #554a8c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#818c4a

#4a608c · #764a8c

#8c554a · #4a8c55

Split-complementary

Open in tool →

#8c764a · #608c4a

#8c4a60 · #818c4a · #4a8c76

Contrast

#554a8c as textRatioAAAA largeAAAFix
Aaon white
7.65:1passpasspassPasses AAA — no fix needed.
Aaon black
2.74:1failfailfail
  • AA: use #786cb2 as the text (4.59:1)
  • AAA: use #9991c5 as the text (7.21:1)
  • AA: or shift the background to #c7c7c7 (4.53:1)
  • AAA: or shift the background to #f5f5f5 (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 #554a8c 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 #554a8c
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 #554a8c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/554a8c-a79cc4-dfb14e-281f2d-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