Color

#04051f

#04051f
hex#04051f
rgbrgb(4, 5, 31)
hslhsl(238, 77%, 7%)
oklchoklch(0.137 0.056 273.6)
Closest name: Mysterious Depths (#060929)Relative luminance 0.0023

Tints & shades

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

Harmonies

Complementary

Open in tool →

#201f04

#041320 · #110420

#200405 · #052004

Split-complementary

Open in tool →

#201104 · #132004

#200413 · #201f04 · #042011

Contrast

#04051f as textRatioAAAA largeAAAFix
Aaon white
20.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.05:1failfailfail
  • AA: use #6166ea as the text (4.6:1)
  • AAA: use #8a8df0 as the text (7.15:1)
  • AA: or shift the background to #787878 (4.54:1)
  • AAA: or shift the background to #999999 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04051f 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

#04051f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04051f
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 #04051f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04051f-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