Color

#404759

#404759
hex#404759
rgbrgb(64, 71, 89)
hslhsl(223, 16%, 30%)
oklchoklch(0.399 0.032 268.3)
Closest name: Abyssal (#404c57)Relative luminance 0.0632

Tints & shades

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

Harmonies

Complementary

Open in tool →

#595240

#405359 · #464059

#594047 · #475940

Split-complementary

Open in tool →

#594640 · #535940

#594053 · #595240 · #405946

Contrast

#404759 as textRatioAAAA largeAAAFix
Aaon white
9.28:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #697491 as the text (4.51:1)
  • AAA: use #8c95ab as the text (7:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404759 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

#404759 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #404759
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 #404759 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404759-9ca3c4-df704e-211f2d-e9eff1?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