Color

#5a668c

#5a668c
hex#5a668c
rgbrgb(90, 102, 140)
hslhsl(226, 22%, 45%)
oklchoklch(0.516 0.062 270.6)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1357

Colors that go with #5a668c

Charcoal, Sea Green and Dark Olive 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c805a

#5a7f8c · #675a8c

#8c5a65 · #658c5a

Split-complementary

Open in tool →

#8c675a · #7f8c5a

#8c5a7f · #8c805a · #5a8c67

Contrast

#5a668c as textRatioAAAA largeAAAFix
Aaon white
5.65:1passpassfail
  • AAA: use #4e5879 as the text (7.01:1)
Aaon black
3.71:1failpassfail
  • AA: use #67739e as the text (4.52:1)
  • AAA: use #8c96b5 as the text (7.14:1)
  • AA: or shift the background to #e6e6e6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a668c 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 #5a668c
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 #5a668c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a668c-9ca1c4-df774e-221f2d-e9eff1?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