Color

#61818f

#61818f
hex#61818f
rgbrgb(97, 129, 143)
hslhsl(198, 19%, 47%)
oklchoklch(0.584 0.042 226.6)
Closest name: Citadel (#6a7f8b)Relative luminance 0.2023

Colors that go with #61818f

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 →

#8f6f61

#618f86 · #616a8f

#8f6181 · #818f61

Split-complementary

Open in tool →

#8f616a · #8f8661

#86618f · #8f6f61 · #6a8f61

Contrast

#61818f as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #5d7b89 as the text (4.51:1)
  • AAA: use #445b64 as the text (7.18:1)
  • AA: or shift the background to #121212 (4.5:1)
Aaon black
5.05:1passpassfail
  • AAA: use #7d9aa6 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #61818f 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 #61818f
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 #61818f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/61818f-9cb3c4-df4e69-1f232d-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