Color

#042e52

#042e52
hex#042e52
rgbrgb(4, 46, 82)
hslhsl(208, 91%, 17%)
oklchoklch(0.296 0.079 249.9)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.0259

Tints & shades

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

Harmonies

Complementary

Open in tool →

#532904

#045350 · #040753

#53042e · #2e5304

Split-complementary

Open in tool →

#530407 · #535004

#500453 · #532904 · #075304

Contrast

#042e52 as textRatioAAAA largeAAAFix
Aaon white
13.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.52:1failfailfail
  • AA: use #0a77d6 as the text (4.62:1)
  • AAA: use #329af5 as the text (7.08:1)
  • AA: or shift the background to #949494 (4.56:1)
  • AAA: or shift the background to #bababa (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #042e52 as the background.

Brands using this color

Fonts for this mood

#042e52 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #042e52
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 #042e52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/042e52-9cadc4-df4e51-1f212d-e9f1f1?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