Color

#5a6790

#5a6790
hex#5a6790
rgbrgb(90, 103, 144)
hslhsl(226, 23%, 46%)
oklchoklch(0.52 0.067 270.4)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1389

Colors that go with #5a6790

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 →

#90845a

#5a8290 · #695a90

#905a67 · #67905a

Split-complementary

Open in tool →

#90695a · #82905a

#905a82 · #90845a · #5a9069

Contrast

#5a6790 as textRatioAAAA largeAAAFix
Aaon white
5.56:1passpassfail
  • AAA: use #4d577a as the text (7.09:1)
Aaon black
3.78:1failpassfail
  • AA: use #65739f as the text (4.51:1)
  • AAA: use #8b95b6 as the text (7.07:1)
  • AA: or shift the background to #e8e8e8 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a6790 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 #5a6790
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 #5a6790 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a6790-9ca1c4-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