Color

#042d44

#042d44
hex#042d44
rgbrgb(4, 45, 68)
hslhsl(202, 89%, 14%)
oklchoklch(0.283 0.06 239.3)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.0232

Colors that go with #042d44

Charcoal, Crimson and Royal Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#431b04

#04433b · #040c43

#43042c · #2c4304

Split-complementary

Open in tool →

#43040c · #433b04

#3b0443 · #431b04 · #0c4304

Contrast

#042d44 as textRatioAAAA largeAAAFix
Aaon white
14.34:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #0b7bbc as the text (4.57:1)
  • AAA: use #0e9ef1 as the text (7.18:1)
  • AA: or shift the background to #919191 (4.55:1)
  • AAA: or shift the background to #b8b8b8 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #042d44 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

#042d44 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #042d44
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 #042d44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/042d44-9cb1c4-df4e5f-1f222d-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