Color

#003147

#003147
hex#003147
rgbrgb(0, 49, 71)
hslhsl(199, 100%, 14%)
oklchoklch(0.295 0.062 234.6)
Closest name: Nordic Noir (#003344)Relative luminance 0.0265

Colors that go with #003147

Crimson, Royal Blue and Sienna 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.

Real palettes that use #003147

Tints & shades

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

Harmonies

Complementary

Open in tool →

#471700

#00473a · #000d47

#470031 · #314700

Split-complementary

Open in tool →

#47000d · #473a00

#3a0047 · #471700 · #0d4700

Contrast

#003147 as textRatioAAAA largeAAAFix
Aaon white
13.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #007db8 as the text (4.63:1)
  • AAA: use #00a0eb as the text (7.23:1)
  • AA: or shift the background to #949494 (4.52:1)
  • AAA: or shift the background to #bababa (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #003147 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

#003147 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003147
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 #003147 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003147-9cb3c4-df4e66-1f232d-e9f1f0?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