Color

#3e516a

#3e516a
hex#3e516a
rgbrgb(62, 81, 106)
hslhsl(214, 26%, 33%)
oklchoklch(0.43 0.048 255.5)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0795

Colors that go with #3e516a

Teal, 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 →

#6a573e

#3e676a · #413e6a

#6a3e51 · #516a3e

Split-complementary

Open in tool →

#6a413e · #676a3e

#6a3e67 · #6a573e · #3e6a41

Contrast

#3e516a as textRatioAAAA largeAAAFix
Aaon white
8.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #5b769a as the text (4.5:1)
  • AAA: use #8298b5 as the text (7.11:1)
  • AA: or shift the background to #c2c2c2 (4.55:1)
  • AAA: or shift the background to #f0f0f0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e516a 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 #3e516a
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 #3e516a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e516a-9ca9c4-df5a4e-1f1f2d-e9f0f1?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