Color

#041b1b

#041b1b
hex#041b1b
rgbrgb(4, 27, 27)
hslhsl(180, 74%, 6%)
oklchoklch(0.204 0.029 195.1)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0089

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b0404

#041b0f · #040f1b

#1b041b · #1b1b04

Split-complementary

Open in tool →

#1b040f · #1b0f04

#0f041b · #1b0404 · #0f1b04

Contrast

#041b1b as textRatioAAAA largeAAAFix
Aaon white
17.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #148585 as the text (4.72:1)
  • AAA: use #19a9a9 as the text (7.29:1)
  • AA: or shift the background to #808080 (4.51:1)
  • AAA: or shift the background to #a3a3a3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #041b1b as the background.

Brands using this color

Fonts for this mood

#041b1b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #041b1b
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 #041b1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/041b1b-a2bbbe-d45994-1f272d-e9f1ed?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