Color

#659de6

#659de6
hex#659de6
rgbrgb(101, 157, 230)
hslhsl(214, 72%, 65%)
oklchoklch(0.688 0.124 255.6)
Closest name: Blue Bay (#619ad6)Relative luminance 0.3259

Colors that go with #659de6

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 #659de6

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e6ae65

#65dde6 · #6e65e6

#e6659d · #9de665

Split-complementary

Open in tool →

#e66e65 · #dde665

#e665dd · #e6ae65 · #65e66e

Contrast

#659de6 as textRatioAAAA largeAAAFix
Aaon white
2.79:1failfailfail
  • AA: use #2473db as the text (4.62:1)
  • AAA: use #1a55a2 as the text (7.33:1)
  • AA: or shift the background to #333333 (4.52:1)
  • AAA: or shift the background to #0a0a0a (7.09:1)
Aaon black
7.52:1passpasspassPasses 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 #659de6 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

#659de6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #659de6
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 #659de6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/659de6-9ca9c4-df5a4e-1f1f2d-e9f0f1?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