Color

#04052a

#04052a
hex#04052a
rgbrgb(4, 5, 42)
hslhsl(238, 83%, 9%)
oklchoklch(0.151 0.075 271.4)
Closest name: Mysterious Depths (#060929)Relative luminance 0.003

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a2904

#04182a · #16042a

#2a0405 · #052a04

Split-complementary

Open in tool →

#2a1604 · #182a04

#2a0418 · #2a2904 · #042a16

Contrast

#04052a as textRatioAAAA largeAAAFix
Aaon white
19.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #6065f0 as the text (4.62:1)
  • AAA: use #8a8ef4 as the text (7.26:1)
  • AA: or shift the background to #7a7a7a (4.61:1)
  • AAA: or shift the background to #9c9c9c (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04052a 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

#04052a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04052a
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 #04052a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04052a-9f9cc4-df944e-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