Color

#033e5e

#033e5e
hex#033e5e
rgbrgb(3, 62, 94)
hslhsl(201, 94%, 19%)
oklchoklch(0.347 0.078 240.3)
Closest name: Maniac Mansion (#004058)Relative luminance 0.0427

Colors that go with #033e5e

Royal Blue, Teal and Sienna 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 →

#5e2303

#035e50 · #03115e

#5e033e · #3e5e03

Split-complementary

Open in tool →

#5e0311 · #5e5003

#50035e · #5e2303 · #115e03

Contrast

#033e5e as textRatioAAAA largeAAAFix
Aaon white
11.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #067cbc as the text (4.62:1)
  • AAA: use #079ded as the text (7.05:1)
  • AA: or shift the background to #a6a6a6 (4.65:1)
  • AAA: or shift the background to #cccccc (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033e5e as the background.

Brands using this color

Fonts for this mood

#033e5e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033e5e
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 #033e5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033e5e-9cb1c4-df4e62-1f222d-e9f1f0?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