Color

#042e4e

#042e4e
hex#042e4e
rgbrgb(4, 46, 78)
hslhsl(206, 90%, 16%)
oklchoklch(0.293 0.073 247.2)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.0253

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e2404

#044e49 · #04094e

#4e042e · #2e4e04

Split-complementary

Open in tool →

#4e0409 · #4e4904

#49044e · #4e2404 · #094e04

Contrast

#042e4e as textRatioAAAA largeAAAFix
Aaon white
13.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #0b78cb as the text (4.56:1)
  • AAA: use #259af4 as the text (7.01:1)
  • AA: or shift the background to #949494 (4.6:1)
  • AAA: or shift the background to #b8b8b8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #042e4e as the background.

Brands using this color

Fonts for this mood

#042e4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #042e4e
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 #042e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/042e4e-9caec4-df4e56-1f212d-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