Color

#64a5ce

#64a5ce
hex#64a5ce
rgbrgb(100, 165, 206)
hslhsl(203, 52%, 60%)
oklchoklch(0.694 0.09 237.7)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3408

Colors that go with #64a5ce

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 #64a5ce

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce8d64

#64cec2 · #6470ce

#ce64a5 · #a5ce64

Split-complementary

Open in tool →

#ce6470 · #cec264

#c264ce · #ce8d64 · #70ce64

Contrast

#64a5ce as textRatioAAAA largeAAAFix
Aaon white
2.69:1failfailfail
  • AA: use #357ba7 as the text (4.62:1)
  • AAA: use #275c7c as the text (7.22:1)
  • AA: or shift the background to #333333 (4.7:1)
  • AAA: or shift the background to #0f0f0f (7.13:1)
Aaon black
7.82:1passpasspassPasses 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 #64a5ce 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

#64a5ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #64a5ce
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 #64a5ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64a5ce-9cb0c4-df4e5d-1f222d-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