Color

#066a88

#066a88
hex#066a88
rgbrgb(6, 106, 136)
hslhsl(194, 92%, 28%)
oklchoklch(0.489 0.092 226.3)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1212

Colors that go with #066a88

Charcoal, Crimson and Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#892406

#068966 · #062989

#89066a · #6a8906

Split-complementary

Open in tool →

#890629 · #896606

#660689 · #892406 · #298906

Contrast

#066a88 as textRatioAAAA largeAAAFix
Aaon white
6.13:1passpassfail
  • AAA: use #055f7a as the text (7.18:1)
Aaon black
3.42:1failpassfail
  • AA: use #0781a6 as the text (4.7:1)
  • AAA: use #09a3d3 as the text (7.19:1)
  • AA: or shift the background to #dedede (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #066a88 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#066a88 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #066a88
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 #066a88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/066a88-9cb6c4-df4e72-1f242d-e9f1ef?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