Color

#043b49

#043b49
hex#043b49
rgbrgb(4, 59, 73)
hslhsl(192, 90%, 15%)
oklchoklch(0.327 0.057 220.5)
Closest name: Royal Neptune (#1c3b42)Relative luminance 0.0363

Tints & shades

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

Harmonies

Complementary

Open in tool →

#491204

#044934 · #041849

#49043b · #3b4904

Split-complementary

Open in tool →

#490418 · #493404

#340449 · #491204 · #184904

Contrast

#043b49 as textRatioAAAA largeAAAFix
Aaon white
12.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #0882a0 as the text (4.71:1)
  • AAA: use #0ba5cb as the text (7.26:1)
  • AA: or shift the background to #9e9e9e (4.54:1)
  • AAA: or shift the background to #c7c7c7 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #043b49 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

#043b49 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #043b49
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 #043b49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/043b49-a2b5be-df4e77-1f242d-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