Color

#04121f

#04121f
hex#04121f
rgbrgb(4, 18, 31)
hslhsl(209, 77%, 7%)
oklchoklch(0.177 0.034 246.5)
Closest name: Midnight Edition (#0c121b)Relative luminance 0.0056

Tints & shades

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

Harmonies

Complementary

Open in tool →

#201104

#04201f · #040520

#200412 · #122004

Split-complementary

Open in tool →

#200405 · #201f04

#1f0420 · #201104 · #052004

Contrast

#04121f as textRatioAAAA largeAAAFix
Aaon white
18.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #1b78d0 as the text (4.64:1)
  • AAA: use #4a9ce8 as the text (7.21:1)
  • AA: or shift the background to #7d7d7d (4.59:1)
  • AAA: or shift the background to #9e9e9e (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04121f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#04121f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04121f
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 #04121f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04121f-9cacc4-df4e4e-1f212d-e9f1f1?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