Color

#04042f

#04042f
hex#04042f
rgbrgb(4, 4, 47)
hslhsl(240, 84%, 10%)
oklchoklch(0.155 0.084 271)
Closest name: Midnight (#03012d)Relative luminance 0.0032

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2f2f04

#041a2f · #1a042f

#2f0404 · #042f04

Split-complementary

Open in tool →

#2f1a04 · #1a2f04

#2f041a · #2f2f04 · #042f1a

Contrast

#04042f as textRatioAAAA largeAAAFix
Aaon white
19.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #6464f2 as the text (4.65:1)
  • AAA: use #8a8af5 as the text (7.03:1)
  • AA: or shift the background to #7a7a7a (4.6:1)
  • AAA: or shift the background to #9c9c9c (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04042f 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

#04042f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04042f
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 #04042f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04042f-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