Color

#404f77

#404f77
hex#404f77
rgbrgb(64, 79, 119)
hslhsl(224, 30%, 36%)
oklchoklch(0.433 0.069 267.8)
Closest name: Deep Indigo (#4c567a)Relative luminance 0.0801

Tints & shades

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

Harmonies

Complementary

Open in tool →

#776940

#406a77 · #4d4077

#77404f · #4f7740

Split-complementary

Open in tool →

#774d40 · #6a7740

#77406a · #776940 · #40774d

Contrast

#404f77 as textRatioAAAA largeAAAFix
Aaon white
8.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.6:1failfailfail
  • AA: use #6073a9 as the text (4.52:1)
  • AAA: use #8896bf as the text (7.16:1)
  • AA: or shift the background to #c2c2c2 (4.53:1)
  • AAA: or shift the background to #f0f0f0 (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 #404f77 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 #404f77
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 #404f77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404f77-9ca2c4-df724e-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