Color

#033291

#033291
hex#033291
rgbrgb(3, 50, 145)
hslhsl(220, 96%, 29%)
oklchoklch(0.361 0.163 262.2)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0434

Tints & shades

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

Harmonies

Complementary

Open in tool →

#916203

#037991 · #1b0391

#910332 · #329103

Split-complementary

Open in tool →

#911b03 · #799103

#910379 · #916203 · #03911b

Contrast

#033291 as textRatioAAAA largeAAAFix
Aaon white
11.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #236bfb as the text (4.57:1)
  • AAA: use #5f93fc as the text (7.07:1)
  • AA: or shift the background to #a6a6a6 (4.62:1)
  • AAA: or shift the background to #cfcfcf (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033291 as the background.

Brands using this color

Fonts for this mood

#033291 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033291
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 #033291 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033291-9ca5c4-df694e-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