Color

#03097c

#03097c
hex#03097c
rgbrgb(3, 9, 124)
hslhsl(237, 95%, 25%)
oklchoklch(0.274 0.177 265.1)
Closest name: Navy Blue (#000080)Relative luminance 0.0167

Colors that go with #03097c

Charcoal, Steel Blue and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7c7603

#03467c · #3a037c

#7c0309 · #097c03

Split-complementary

Open in tool →

#7c3a03 · #467c03

#7c0346 · #7c7603 · #037c3a

Contrast

#03097c as textRatioAAAA largeAAAFix
Aaon white
15.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #5b63fb as the text (4.62:1)
  • AAA: use #888dfc as the text (7.26:1)
  • AA: or shift the background to #8a8a8a (4.56:1)
  • AAA: or shift the background to #adadad (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03097c 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

#03097c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03097c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #03097c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03097c-9f9cc4-df924e-251f2d-e9edf1?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