Color

#03549b

#03549b
hex#03549b
rgbrgb(3, 84, 155)
hslhsl(208, 96%, 31%)
oklchoklch(0.445 0.134 252.7)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0873

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b4a03

#039b96 · #03089b

#9b0354 · #549b03

Split-complementary

Open in tool →

#9b0308 · #9b9603

#96039b · #9b4a03 · #089b03

Contrast

#03549b as textRatioAAAA largeAAAFix
Aaon white
7.65:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #0475d7 as the text (4.53:1)
  • AAA: use #2d9bfb as the text (7.19:1)
  • AA: or shift the background to #c7c7c7 (4.52:1)
  • AAA: or shift the background to #f5f5f5 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03549b 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

#03549b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03549b
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 #03549b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03549b-9cadc4-df4e51-1f212d-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