Color

#554e79

#554e79
hex#554e79
rgbrgb(85, 78, 121)
hslhsl(250, 22%, 39%)
oklchoklch(0.449 0.07 290.8)
Closest name: Dusk (#4e5481)Relative luminance 0.0876

Tints & shades

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

Harmonies

Complementary

Open in tool →

#72794e

#4e5c79 · #6b4e79

#79554e · #4e7955

Split-complementary

Open in tool →

#796b4e · #5c794e

#794e5c · #72794e · #4e796b

Contrast

#554e79 as textRatioAAAA largeAAAFix
Aaon white
7.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #7870a4 as the text (4.65:1)
  • AAA: use #9992b9 as the text (7.17:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #554e79 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 #554e79
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #554e79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/554e79-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