Color

#06369d

#06369d
hex#06369d
rgbrgb(6, 54, 157)
hslhsl(221, 93%, 32%)
oklchoklch(0.382 0.174 262.7)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0511

Colors that go with #06369d

Charcoal, Crimson and Steel 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 →

#9d6d06

#06829d · #22069d

#9d0636 · #369d06

Split-complementary

Open in tool →

#9d2206 · #829d06

#9d0682 · #9d6d06 · #069d22

Contrast

#06369d as textRatioAAAA largeAAAFix
Aaon white
10.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #2b6cf7 as the text (4.59:1)
  • AAA: use #6695f9 as the text (7.23:1)
  • AA: or shift the background to #ababab (4.52:1)
  • AAA: or shift the background to #d4d4d4 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #06369d as the background.

Brands using this color

Fonts for this mood

#06369d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #06369d
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 #06369d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/06369d-9ca4c4-df6b4e-211f2d-e9eff1?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