Color

#003775

#003775
hex#003775
rgbrgb(0, 55, 117)
hslhsl(212, 100%, 23%)
oklchoklch(0.346 0.119 256.2)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0402

Tints & shades

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

Harmonies

Complementary

Open in tool →

#753f00

#007175 · #040075

#750037 · #377500

Split-complementary

Open in tool →

#750400 · #717500

#750071 · #753f00 · #007504

Contrast

#003775 as textRatioAAAA largeAAAFix
Aaon white
11.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #0070f0 as the text (4.58:1)
  • AAA: use #3d98ff as the text (7.13:1)
  • AA: or shift the background to #a1a1a1 (4.51:1)
  • AAA: or shift the background to #c9c9c9 (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 #003775 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

#003775 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003775
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 #003775 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003775-9caac4-df564e-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