Color

#04041b

#04041b
hex#04041b
rgbrgb(4, 4, 27)
hslhsl(240, 74%, 6%)
oklchoklch(0.129 0.052 276.3)
Closest name: Obsidian Shard (#060313)Relative luminance 0.0019

Colors that go with #04041b

Charcoal, Dark Olive Green and Sea Green 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.

Real palettes that use #04041b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b1b04

#040f1b · #0f041b

#1b0404 · #041b04

Split-complementary

Open in tool →

#1b0f04 · #0f1b04

#1b040f · #1b1b04 · #041b0f

Contrast

#04041b as textRatioAAAA largeAAAFix
Aaon white
20.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.04:1failfailfail
  • AA: use #6464e8 as the text (4.53:1)
  • AAA: use #8c8cee as the text (7.1:1)
  • AA: or shift the background to #787878 (4.58:1)
  • AAA: or shift the background to #999999 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04041b 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

#04041b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04041b
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 #04041b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04041b-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