Color

#04042a

#04042a
hex#04042a
rgbrgb(4, 4, 42)
hslhsl(240, 83%, 9%)
oklchoklch(0.148 0.077 272)
Closest name: Midnight (#03012d)Relative luminance 0.0028

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a2a04

#04172a · #17042a

#2a0404 · #042a04

Split-complementary

Open in tool →

#2a1704 · #172a04

#2a0417 · #2a2a04 · #042a17

Contrast

#04042a as textRatioAAAA largeAAAFix
Aaon white
19.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #6565f1 as the text (4.68:1)
  • AAA: use #8a8af4 as the text (7.02:1)
  • AA: or shift the background to #787878 (4.5:1)
  • AAA: or shift the background to #9c9c9c (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04042a 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

#04042a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04042a
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 #04042a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04042a-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