Color

#554ca9

#554ca9
hex#554ca9
rgbrgb(85, 76, 169)
hslhsl(246, 38%, 48%)
oklchoklch(0.475 0.144 283.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0996

Colors that go with #554ca9

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 →

#a0a94c

#4c71a9 · #844ca9

#a9554c · #4ca955

Split-complementary

Open in tool →

#a9844c · #71a94c

#a94c71 · #a0a94c · #4ca984

Contrast

#554ca9 as textRatioAAAA largeAAAFix
Aaon white
7.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #736bbd as the text (4.57:1)
  • AAA: use #958ecc as the text (7.02:1)
  • AA: or shift the background to #cfcfcf (4.5:1)
  • AAA: or shift the background to #ffffff (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 #554ca9 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

#554ca9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #554ca9
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 #554ca9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/554ca9-a59cc4-dfa74e-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