Color

#043548

#043548
hex#043548
rgbrgb(4, 53, 72)
hslhsl(197, 89%, 15%)
oklchoklch(0.309 0.059 230.3)
Closest name: Nordic Noir (#003344)Relative luminance 0.0304

Colors that go with #043548

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 #043548

Tints & shades

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

Harmonies

Complementary

Open in tool →

#481704

#04483a · #041348

#480435 · #354804

Split-complementary

Open in tool →

#480413 · #483a04

#3a0448 · #481704 · #134804

Contrast

#043548 as textRatioAAAA largeAAAFix
Aaon white
13.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #0a7fae as the text (4.66:1)
  • AAA: use #0da3de as the text (7.31:1)
  • AA: or shift the background to #999999 (4.58:1)
  • AAA: or shift the background to #bfbfbf (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #043548 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

#043548 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #043548
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 #043548 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/043548-9cb4c4-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