Color

#033187

#033187
hex#033187
rgbrgb(3, 49, 135)
hslhsl(219, 96%, 27%)
oklchoklch(0.349 0.151 261.6)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0397

Tints & shades

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

Harmonies

Complementary

Open in tool →

#875903

#037387 · #170387

#870331 · #318703

Split-complementary

Open in tool →

#871703 · #738703

#870373 · #875903 · #038717

Contrast

#033187 as textRatioAAAA largeAAAFix
Aaon white
11.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #1e6bfa as the text (4.54:1)
  • AAA: use #5a93fc as the text (7.01:1)
  • AA: or shift the background to #a1a1a1 (4.53:1)
  • AAA: or shift the background to #c9c9c9 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033187 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

#033187 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033187
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 #033187 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033187-9ca5c4-df664e-211f2d-e9f0f1?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