Color

#0664b2

#0664b2
hex#0664b2
rgbrgb(6, 100, 178)
hslhsl(207, 93%, 36%)
oklchoklch(0.499 0.145 251.7)
Closest name: Denim (#1560bd)Relative luminance 0.1237

Colors that go with #0664b2

Charcoal, Crimson 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 →

#b15306

#06b1a9 · #060fb1

#b10664 · #64b106

Split-complementary

Open in tool →

#b1060f · #b1a906

#a906b1 · #b15306 · #0fb106

Contrast

#0664b2 as textRatioAAAA largeAAAFix
Aaon white
6.05:1passpassfail
  • AAA: use #06599d as the text (7.18:1)
Aaon black
3.47:1failpassfail
  • AA: use #0878d4 as the text (4.65:1)
  • AAA: use #2b9cf7 as the text (7.2:1)
  • AA: or shift the background to #e0e0e0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0664b2 as the background.

Brands using this color

Fonts for this mood

#0664b2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0664b2
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 #0664b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0664b2-9cadc4-df4e53-1f212d-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