Color

#043a4e

#043a4e
hex#043a4e
rgbrgb(4, 58, 78)
hslhsl(196, 90%, 16%)
oklchoklch(0.327 0.062 229.6)
Closest name: Maniac Mansion (#004058)Relative luminance 0.036

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e1804

#044e3c · #04154e

#4e043a · #3a4e04

Split-complementary

Open in tool →

#4e0415 · #4e3c04

#3c044e · #4e1804 · #154e04

Contrast

#043a4e as textRatioAAAA largeAAAFix
Aaon white
12.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #097faa as the text (4.63:1)
  • AAA: use #0ba3da as the text (7.27:1)
  • AA: or shift the background to #9e9e9e (4.56:1)
  • AAA: or shift the background to #c7c7c7 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #043a4e 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

#043a4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #043a4e
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 #043a4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/043a4e-9cb5c4-df4e6e-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