Color

#033a7c

#033a7c
hex#033a7c
rgbrgb(3, 58, 124)
hslhsl(213, 95%, 25%)
oklchoklch(0.359 0.124 257)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.045

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7c4603

#03767c · #09037c

#7c033a · #3a7c03

Split-complementary

Open in tool →

#7c0903 · #767c03

#7c0376 · #7c4603 · #037c09

Contrast

#033a7c as textRatioAAAA largeAAAFix
Aaon white
11.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #066fef as the text (4.53:1)
  • AAA: use #4798fa as the text (7.14:1)
  • AA: or shift the background to #a6a6a6 (4.54:1)
  • AAA: or shift the background to #cfcfcf (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033a7c 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

#033a7c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033a7c
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 #033a7c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033a7c-9ca9c4-df584e-1f202d-e9f0f1?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