Color

#55688b

#55688b
hex#55688b
rgbrgb(85, 104, 139)
hslhsl(219, 24%, 44%)
oklchoklch(0.516 0.06 262.3)
Closest name: Admiral Blue (#50647f)Relative luminance 0.137

Colors that go with #55688b

Charcoal, Sea Green and Sienna 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 →

#8b7855

#55838b · #5d558b

#8b5568 · #688b55

Split-complementary

Open in tool →

#8b5d55 · #838b55

#8b5583 · #8b7855 · #558b5d

Contrast

#55688b as textRatioAAAA largeAAAFix
Aaon white
5.62:1passpassfail
  • AAA: use #485875 as the text (7.17:1)
Aaon black
3.74:1failpassfail
  • AA: use #61769e as the text (4.59:1)
  • AAA: use #8797b5 as the text (7.12:1)
  • AA: or shift the background to #e8e8e8 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #55688b 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 #55688b
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 #55688b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55688b-9ca5c4-df664e-211f2d-e9f0f1?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