Color

#033163

#033163
hex#033163
rgbrgb(3, 49, 99)
hslhsl(211, 94%, 20%)
oklchoklch(0.317 0.1 254.9)
Closest name: Marine (#042e60)Relative luminance 0.0312

Tints & shades

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

Harmonies

Complementary

Open in tool →

#633503

#036163 · #050363

#630331 · #316303

Split-complementary

Open in tool →

#630503 · #616303

#630361 · #633503 · #036305

Contrast

#033163 as textRatioAAAA largeAAAFix
Aaon white
12.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #0772e4 as the text (4.54:1)
  • AAA: use #3e98f9 as the text (7.06:1)
  • AA: or shift the background to #999999 (4.54:1)
  • AAA: or shift the background to #bfbfbf (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 #033163 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

#033163 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033163
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 #033163 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033163-9cabc4-df534e-1f202d-e9f1f1?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