Color

#03445e

#03445e
hex#03445e
rgbrgb(3, 68, 94)
hslhsl(197, 94%, 19%)
oklchoklch(0.364 0.073 232.6)
Closest name: Maniac Mansion (#004058)Relative luminance 0.0496

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e1d03

#035e4a · #03175e

#5e0344 · #445e03

Split-complementary

Open in tool →

#5e0317 · #5e4a03

#4a035e · #5e1d03 · #175e03

Contrast

#03445e as textRatioAAAA largeAAAFix
Aaon white
10.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #057ead as the text (4.59:1)
  • AAA: use #07a1df as the text (7.17:1)
  • AA: or shift the background to #ababab (4.59:1)
  • AAA: or shift the background to #d4d4d4 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03445e 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

#03445e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03445e
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 #03445e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03445e-9cb4c4-df4e6b-1f232d-e9f1ef?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