Color

#04293a

#04293a
hex#04293a
rgbrgb(4, 41, 58)
hslhsl(199, 87%, 12%)
oklchoklch(0.265 0.051 233.4)
Closest name: Black Box (#0f282f)Relative luminance 0.0192

Tints & shades

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

Harmonies

Complementary

Open in tool →

#391504

#04392f · #040e39

#390428 · #283904

Split-complementary

Open in tool →

#39040e · #392f04

#2f0439 · #391504 · #0e3904

Contrast

#04293a as textRatioAAAA largeAAAFix
Aaon white
15.18:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #0c7cb0 as the text (4.53:1)
  • AAA: use #10a1e5 as the text (7.25:1)
  • AA: or shift the background to #8c8c8c (4.51:1)
  • AAA: or shift the background to #b3b3b3 (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 #04293a 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

#04293a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04293a
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 #04293a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04293a-9cb3c4-df4e66-1f232d-e9f1f0?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