Color

#404d59

#404d59
hex#404d59
rgbrgb(64, 77, 89)
hslhsl(209, 16%, 30%)
oklchoklch(0.414 0.026 246.3)
Closest name: Abyssal (#404c57)Relative luminance 0.0712

Tints & shades

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

Harmonies

Complementary

Open in tool →

#594c40

#405958 · #404159

#59404d · #4d5940

Split-complementary

Open in tool →

#594041 · #595840

#584059 · #594c40 · #415940

Contrast

#404d59 as textRatioAAAA largeAAAFix
Aaon white
8.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #65788b as the text (4.61:1)
  • AAA: use #899aa9 as the text (7.26:1)
  • AA: or shift the background to #bdbdbd (4.61:1)
  • AAA: or shift the background to #e8e8e8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404d59 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

#404d59 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #404d59
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 #404d59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404d59-9cacc4-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