Color

#033b68

#033b68
hex#033b68
rgbrgb(3, 59, 104)
hslhsl(207, 94%, 21%)
oklchoklch(0.346 0.095 249.7)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0415

Tints & shades

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

Harmonies

Complementary

Open in tool →

#683103

#036863 · #030868

#68033b · #3b6803

Split-complementary

Open in tool →

#680308 · #686303

#630368 · #683103 · #086803

Contrast

#033b68 as textRatioAAAA largeAAAFix
Aaon white
11.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #0778d5 as the text (4.66:1)
  • AAA: use #2a9cf8 as the text (7.21:1)
  • AA: or shift the background to #a3a3a3 (4.55:1)
  • AAA: or shift the background to #cccccc (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033b68 as the background.

Brands using this color

Fonts for this mood

#033b68 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033b68
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 #033b68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033b68-9cadc4-df4e53-1f212d-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