Color

#04043a

#04043a
hex#04043a
rgbrgb(4, 4, 58)
hslhsl(240, 87%, 12%)
oklchoklch(0.171 0.1 269.3)
Closest name: Oblivion (#000435)Relative luminance 0.0042

Tints & shades

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

Harmonies

Complementary

Open in tool →

#393904

#041f39 · #1f0439

#390404 · #043904

Split-complementary

Open in tool →

#391f04 · #1f3904

#39041f · #393904 · #04391f

Contrast

#04043a as textRatioAAAA largeAAAFix
Aaon white
19.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #6262f4 as the text (4.57:1)
  • AAA: use #8d8df7 as the text (7.29:1)
  • AA: or shift the background to #7a7a7a (4.51:1)
  • AAA: or shift the background to #9c9c9c (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04043a 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

#04043a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04043a
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 #04043a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04043a-a19cc4-df994e-251f2d-e9edf1?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