Color

#004142

#004142
hex#004142
rgbrgb(0, 65, 66)
hslhsl(181, 100%, 13%)
oklchoklch(0.34 0.058 196.5)
Closest name: Rich Black (#004040)Relative luminance 0.0417

Tints & shades

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

Harmonies

Complementary

Open in tool →

#420100

#004222 · #002042

#420041 · #414200

Split-complementary

Open in tool →

#420020 · #422200

#220042 · #420100 · #204200

Contrast

#004142 as textRatioAAAA largeAAAFix
Aaon white
11.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #008285 as the text (4.53:1)
  • AAA: use #00abad as the text (7.43:1)
  • AA: or shift the background to #a3a3a3 (4.54:1)
  • AAA: or shift the background to #cccccc (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #004142 as the background.

Brands using this color

Fonts for this mood

#004142 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #004142
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 #004142 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/004142-a2babe-d45992-1f272d-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