Color

#404e77

#404e77
hex#404e77
rgbrgb(64, 78, 119)
hslhsl(225, 30%, 36%)
oklchoklch(0.431 0.071 269)
Closest name: Assassin (#2d4f83)Relative luminance 0.0787

Tints & shades

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

Harmonies

Complementary

Open in tool →

#776a40

#406a77 · #4e4077

#77404e · #4e7740

Split-complementary

Open in tool →

#774e40 · #6a7740

#77406a · #776a40 · #40774e

Contrast

#404e77 as textRatioAAAA largeAAAFix
Aaon white
8.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #6375ab as the text (4.66:1)
  • AAA: use #8895bf as the text (7.1:1)
  • AA: or shift the background to #c2c2c2 (4.58:1)
  • AAA: or shift the background to #f0f0f0 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404e77 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #404e77
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 #404e77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404e77-9ca1c4-df754e-221f2d-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