Color

#06366a

#06366a
hex#06366a
rgbrgb(6, 54, 106)
hslhsl(211, 89%, 22%)
oklchoklch(0.336 0.103 254.8)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0372

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6a3a06

#06686a · #08066a

#6a0636 · #366a06

Split-complementary

Open in tool →

#6a0806 · #686a06

#6a0668 · #6a3a06 · #066a08

Contrast

#06366a as textRatioAAAA largeAAAFix
Aaon white
12.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #0d74e3 as the text (4.62:1)
  • AAA: use #4399f4 as the text (7.1:1)
  • AA: or shift the background to #a1a1a1 (4.66:1)
  • AAA: or shift the background to #c7c7c7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #06366a as the background.

Brands using this color

Fonts for this mood

#06366a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #06366a
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 #06366a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/06366a-9cabc4-df534e-1f202d-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