Color

#033f59

#033f59
hex#033f59
rgbrgb(3, 63, 89)
hslhsl(198, 93%, 18%)
oklchoklch(0.347 0.071 234.4)
Closest name: Maniac Mansion (#004058)Relative luminance 0.043

Tints & shades

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

Harmonies

Complementary

Open in tool →

#591d03

#035948 · #031459

#59033f · #3f5903

Split-complementary

Open in tool →

#590314 · #594803

#480359 · #591d03 · #145903

Contrast

#033f59 as textRatioAAAA largeAAAFix
Aaon white
11.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #067eb1 as the text (4.63:1)
  • AAA: use #08a1e2 as the text (7.21:1)
  • AA: or shift the background to #a6a6a6 (4.64:1)
  • AAA: or shift the background to #cccccc (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033f59 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

#033f59 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033f59
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 #033f59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033f59-9cb3c4-df4e69-1f232d-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