Color

#618cbd

#618cbd
hex#618cbd
rgbrgb(97, 140, 189)
hslhsl(212, 41%, 56%)
oklchoklch(0.629 0.088 252.4)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2497

Colors that go with #618cbd

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 →

#bd9261

#61babd · #6461bd

#bd618c · #8cbd61

Split-complementary

Open in tool →

#bd6461 · #babd61

#bd61ba · #bd9261 · #61bd64

Contrast

#618cbd as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #4877ad as the text (4.65:1)
  • AAA: use #365981 as the text (7.23:1)
  • AA: or shift the background to #212121 (4.6:1)
Aaon black
5.99:1passpassfail
  • AAA: use #7399c4 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #618cbd as the background.

Brands using this color

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

Fonts for this mood

#618cbd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #618cbd
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 #618cbd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/618cbd-9caac4-df564e-1f202d-e9f1f1?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