Color

#618394

#618394
hex#618394
rgbrgb(97, 131, 148)
hslhsl(200, 21%, 48%)
oklchoklch(0.591 0.046 230.1)
Closest name: Citadel (#6a7f8b)Relative luminance 0.2091

Colors that go with #618394

Charcoal, Copper and Amber 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 →

#947261

#61948c · #616994

#946183 · #839461

Split-complementary

Open in tool →

#946169 · #948c61

#8c6194 · #947261 · #699461

Contrast

#618394 as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #5b7b8b as the text (4.52:1)
  • AAA: use #425a66 as the text (7.28:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.18:1passpassfail
  • AAA: use #7d9baa as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #618394 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #618394
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 #618394 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/618394-9cb2c4-df4e64-1f232d-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