Color

#6fb5d3

#6fb5d3
hex#6fb5d3
rgbrgb(111, 181, 211)
hslhsl(198, 53%, 63%)
oklchoklch(0.738 0.083 227.3)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4113

Colors that go with #6fb5d3

Charcoal, Dark Salmon 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 →

#d38d6f

#6fd3bf · #6f83d3

#d36fb5 · #b5d36f

Split-complementary

Open in tool →

#d36f83 · #d3bf6f

#bf6fd3 · #d38d6f · #83d36f

Contrast

#6fb5d3 as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #307c9c as the text (4.68:1)
  • AAA: use #245d75 as the text (7.25:1)
  • AA: or shift the background to #404040 (4.56:1)
  • AAA: or shift the background to #212121 (7.07:1)
Aaon black
9.23:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6fb5d3 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

#6fb5d3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6fb5d3
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 #6fb5d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6fb5d3-9cb3c4-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