Color

#616a8f

#616a8f
hex#616a8f
rgbrgb(97, 106, 143)
hslhsl(228, 19%, 47%)
oklchoklch(0.531 0.059 273.7)
Closest name: Dark Prince (#6b6c89)Relative luminance 0.1483

Colors that go with #616a8f

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.

Real palettes that use #616a8f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f8661

#61818f · #6f618f

#8f616a · #6a8f61

Split-complementary

Open in tool →

#8f6f61 · #818f61

#8f6181 · #8f8661 · #618f6f

Contrast

#616a8f as textRatioAAAA largeAAAFix
Aaon white
5.29:1passpassfail
  • AAA: use #4e5673 as the text (7.23:1)
Aaon black
3.97:1failpassfail
  • AA: use #6a749a as the text (4.58:1)
  • AAA: use #8f96b3 as the text (7.18:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #616a8f 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 #616a8f
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 #616a8f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/616a8f-9c9fc4-df7c4e-231f2d-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