Color

#6a90a0

#6a90a0
hex#6a90a0
rgbrgb(106, 144, 160)
hslhsl(198, 22%, 52%)
oklchoklch(0.631 0.048 225.8)
Closest name: Cavolo Nero (#72939e)Relative luminance 0.2555

Colors that go with #6a90a0

Charcoal, Copper and Crimson 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.

Real palettes that use #6a90a0

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a07a6a

#6aa095 · #6a74a0

#a06a8f · #8fa06a

Split-complementary

Open in tool →

#a06a74 · #a0956a

#956aa0 · #a07a6a · #74a06a

Contrast

#6a90a0 as textRatioAAAA largeAAAFix
Aaon white
3.44:1failpassfail
  • AA: use #587a89 as the text (4.61:1)
  • AAA: use #425c67 as the text (7.1:1)
  • AA: or shift the background to #242424 (4.52:1)
Aaon black
6.11:1passpassfail
  • AAA: use #799ba9 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6a90a0 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 #6a90a0
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 #6a90a0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6a90a0-9cb3c4-df4e69-1f232d-e9f1f0?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