Color

#04066c

#04066c
hex#04066c
rgbrgb(4, 6, 108)
hslhsl(239, 93%, 22%)
oklchoklch(0.249 0.16 265.8)
Closest name: Deep Blue (#040273)Relative luminance 0.0124

Colors that go with #04066c

Charcoal, Steel Blue and Cobalt 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 →

#6c6b04

#043a6c · #36046c

#6c0406 · #066c04

Split-complementary

Open in tool →

#6c3604 · #3a6c04

#6c043a · #6c6b04 · #046c36

Contrast

#04066c as textRatioAAAA largeAAAFix
Aaon white
16.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #6264f9 as the text (4.71:1)
  • AAA: use #898bfb as the text (7.15:1)
  • AA: or shift the background to #858585 (4.56:1)
  • AAA: or shift the background to #a8a8a8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04066c as the background.

Brands using this color

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

Fonts for this mood

#04066c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04066c
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 #04066c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04066c-a09cc4-df964e-251f2d-e9edf1?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