Color

#03335e

#03335e
hex#03335e
rgbrgb(3, 51, 94)
hslhsl(208, 94%, 19%)
oklchoklch(0.318 0.09 251.4)
Closest name: Marine (#042e60)Relative luminance 0.032

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e2d03

#035e5b · #03065e

#5e0333 · #335e03

Split-complementary

Open in tool →

#5e0306 · #5e5b03

#5b035e · #5e2d03 · #065e03

Contrast

#03335e as textRatioAAAA largeAAAFix
Aaon white
12.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.64:1failfailfail
  • AA: use #0775d5 as the text (4.51:1)
  • AAA: use #2f9bf9 as the text (7.18:1)
  • AA: or shift the background to #9c9c9c (4.67:1)
  • AAA: or shift the background to #c2c2c2 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03335e 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

#03335e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03335e
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 #03335e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03335e-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