Color

#033c4e

#033c4e
hex#033c4e
rgbrgb(3, 60, 78)
hslhsl(194, 93%, 16%)
oklchoklch(0.332 0.062 225.9)
Closest name: Maniac Mansion (#004058)Relative luminance 0.038

Colors that go with #033c4e

Crimson, Royal Blue and Teal 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 →

#4f1503

#034f3b · #03174f

#4f033d · #3d4f03

Split-complementary

Open in tool →

#4f0317 · #4f3b03

#3b034f · #4f1503 · #174f03

Contrast

#033c4e as textRatioAAAA largeAAAFix
Aaon white
11.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #067ea2 as the text (4.51:1)
  • AAA: use #08a4d4 as the text (7.27:1)
  • AA: or shift the background to #a1a1a1 (4.62:1)
  • AAA: or shift the background to #c7c7c7 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033c4e as the background.

Brands using this color

Fonts for this mood

#033c4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033c4e
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 #033c4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033c4e-9cb6c4-df4e72-1f242d-e9f1ef?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