Color

#689fdf

#689fdf
hex#689fdf
rgbrgb(104, 159, 223)
hslhsl(212, 65%, 64%)
oklchoklch(0.691 0.111 253.1)
Closest name: Blue Bay (#619ad6)Relative luminance 0.3307

Colors that go with #689fdf

Charcoal, Peru and Midnight Blue 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 #689fdf

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfa768

#68dbdf · #6c68df

#df689f · #9fdf68

Split-complementary

Open in tool →

#df6c68 · #dbdf68

#df68db · #dfa768 · #68df6c

Contrast

#689fdf as textRatioAAAA largeAAAFix
Aaon white
2.76:1failfailfail
  • AA: use #2b75ca as the text (4.67:1)
  • AAA: use #205897 as the text (7.23:1)
  • AA: or shift the background to #333333 (4.58:1)
  • AAA: or shift the background to #0d0d0d (7.05:1)
Aaon black
7.61:1passpasspassPasses 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 #689fdf 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

#689fdf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #689fdf
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 #689fdf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/689fdf-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