Color

#3a606e

#3a606e
hex#3a606e
rgbrgb(58, 96, 110)
hslhsl(196, 31%, 33%)
oklchoklch(0.466 0.049 223.5)
Closest name: Atlantis (#336172)Relative luminance 0.1039

Colors that go with #3a606e

Steel Blue, Sienna and Blue 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 →

#6e483a

#3a6e62 · #3a466e

#6e3a60 · #606e3a

Split-complementary

Open in tool →

#6e3a46 · #6e623a

#623a6e · #6e483a · #466e3a

Contrast

#3a606e as textRatioAAAA largeAAAFix
Aaon white
6.82:1passpassfail
  • AAA: use #385d6b as the text (7.13:1)
Aaon black
3.08:1failpassfail
  • AA: use #4a7b8c as the text (4.5:1)
  • AAA: use #699db0 as the text (7.05:1)
  • AA: or shift the background to #d4d4d4 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a606e 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 #3a606e
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 #3a606e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a606e-9cb5c4-df4e6e-1f232d-e9f1ef?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