Color

#066fac

#066fac
hex#066fac
rgbrgb(6, 111, 172)
hslhsl(202, 93%, 35%)
oklchoklch(0.522 0.126 243.9)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1439

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ac4306

#06ac96 · #061cac

#ac066f · #6fac06

Split-complementary

Open in tool →

#ac061c · #ac9606

#9606ac · #ac4306 · #1cac06

Contrast

#066fac as textRatioAAAA largeAAAFix
Aaon white
5.42:1passpassfail
  • AAA: use #055c8f as the text (7.16:1)
Aaon black
3.88:1failpassfail
  • AA: use #077cc0 as the text (4.65:1)
  • AAA: use #099cf1 as the text (7.04:1)
  • AA: or shift the background to #ebebeb (4.54:1)

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

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #066fac
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #066fac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/066fac-9cb1c4-df4e5f-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