Color

#404159

#404159
hex#404159
rgbrgb(64, 65, 89)
hslhsl(238, 16%, 30%)
oklchoklch(0.385 0.041 282.4)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0559

Tints & shades

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

Harmonies

Complementary

Open in tool →

#595840

#404d59 · #4c4059

#594041 · #415940

Split-complementary

Open in tool →

#594c40 · #4d5940

#59404d · #595840 · #40594c

Contrast

#404159 as textRatioAAAA largeAAAFix
Aaon white
9.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #717298 as the text (4.56:1)
  • AAA: use #9293b0 as the text (7.02:1)
  • AA: or shift the background to #b0b0b0 (4.57:1)
  • AAA: or shift the background to #d9d9d9 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404159 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

#404159 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #404159
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 #404159 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404159-9f9cc4-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