Color

#03334f

#03334f
hex#03334f
rgbrgb(3, 51, 79)
hslhsl(202, 93%, 16%)
oklchoklch(0.307 0.069 241.2)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0295

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4f1f03

#034f45 · #030d4f

#4f0333 · #334f03

Split-complementary

Open in tool →

#4f030d · #4f4503

#45034f · #4f1f03 · #0d4f03

Contrast

#03334f as textRatioAAAA largeAAAFix
Aaon white
13.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #077cc0 as the text (4.65:1)
  • AAA: use #099cf1 as the text (7.04:1)
  • AA: or shift the background to #999999 (4.63:1)
  • AAA: or shift the background to #bdbdbd (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 #03334f 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

#03334f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03334f
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 #03334f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03334f-9cb1c4-df4e5f-1f222d-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