Color

#404754

#404754
hex#404754
rgbrgb(64, 71, 84)
hslhsl(219, 14%, 29%)
oklchoklch(0.397 0.024 262.8)
Closest name: Abyssal (#404c57)Relative luminance 0.0624

Tints & shades

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

Harmonies

Complementary

Open in tool →

#544d40

#405154 · #434054

#544047 · #475440

Split-complementary

Open in tool →

#544340 · #515440

#544051 · #544d40 · #405443

Contrast

#404754 as textRatioAAAA largeAAAFix
Aaon white
9.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #69758c as the text (4.52:1)
  • AAA: use #8e97a9 as the text (7.15:1)
  • AA: or shift the background to #b5b5b5 (4.56:1)
  • AAA: or shift the background to #e0e0e0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404754 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

#404754 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #404754
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 #404754 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404754-9ca5c4-df664e-211f2d-e9f0f1?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