Color

#3a6e5d

#3a6e5d
hex#3a6e5d
rgbrgb(58, 110, 93)
hslhsl(160, 31%, 33%)
oklchoklch(0.497 0.063 170.4)
Closest name: Deep Pool Teal (#366d68)Relative luminance 0.1284

Colors that go with #3a6e5d

Charcoal, Rust and Medium Violet Red 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 #3a6e5d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6e3a4b

#3a6e43 · #3a666e

#5d3a6e · #6e5d3a

Split-complementary

Open in tool →

#6e3a66 · #6e433a

#433a6e · #6e3a4b · #666e3a

Contrast

#3a6e5d as textRatioAAAA largeAAAFix
Aaon white
5.89:1passpassfail
  • AAA: use #336152 as the text (7.06:1)
Aaon black
3.57:1failpassfail
  • AA: use #45826e as the text (4.67:1)
  • AAA: use #56a48a as the text (7.07:1)
  • AA: or shift the background to #e3e3e3 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a6e5d as the background.

Brands using this color

mcpConnect your agent — build around #3a6e5d
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 #3a6e5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a6e5d-a2beb8-d459be-1f2c2d-e9f1eb?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