Color

#041b25

#041b25
hex#041b25
rgbrgb(4, 27, 37)
hslhsl(198, 80%, 8%)
oklchoklch(0.209 0.035 229.3)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0094

Colors that go with #041b25

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 →

#250e04

#04251e · #040b25

#25041b · #1b2504

Split-complementary

Open in tool →

#25040b · #251e04

#1e0425 · #250e04 · #0b2504

Contrast

#041b25 as textRatioAAAA largeAAAFix
Aaon white
17.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #137daa as the text (4.54:1)
  • AAA: use #18a2dc as the text (7.24:1)
  • AA: or shift the background to #828282 (4.6:1)
  • AAA: or shift the background to #a3a3a3 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #041b25 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#041b25 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #041b25
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 #041b25 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/041b25-9cb3c4-df4e69-1f232d-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