Color

#06336b

#06336b
hex#06336b
rgbrgb(6, 51, 107)
hslhsl(213, 89%, 22%)
oklchoklch(0.329 0.108 257)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0347

Colors that go with #06336b

Crimson, Steel Blue and 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 →

#6a3d06

#06656a · #0b066a

#6a0633 · #336a06

Split-complementary

Open in tool →

#6a0b06 · #656a06

#6a0665 · #6a3d06 · #066a0b

Contrast

#06336b as textRatioAAAA largeAAAFix
Aaon white
12.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #0e72ec as the text (4.64:1)
  • AAA: use #4d98f5 as the text (7.13:1)
  • AA: or shift the background to #9c9c9c (4.52:1)
  • AAA: or shift the background to #c4c4c4 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #06336b as the background.

Brands using this color

Fonts for this mood

#06336b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #06336b
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 #06336b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/06336b-9ca9c4-df584e-1f202d-e9f0f1?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