Color

#424d8a

#424d8a
hex#424d8a
rgbrgb(66, 77, 138)
hslhsl(231, 35%, 40%)
oklchoklch(0.441 0.101 273.9)
Closest name: Assassin (#2d4f83)Relative luminance 0.083

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a7f42

#42718a · #5b428a

#8a424d · #4d8a42

Split-complementary

Open in tool →

#8a5b42 · #718a42

#8a4271 · #8a7f42 · #428a5b

Contrast

#424d8a as textRatioAAAA largeAAAFix
Aaon white
7.89:1passpasspassPasses AAA — no fix needed.
Aaon black
2.66:1failfailfail
  • AA: use #6470b4 as the text (4.52:1)
  • AAA: use #8a93c7 as the text (7.08:1)
  • AA: or shift the background to #c4c4c4 (4.53:1)
  • AAA: or shift the background to #f2f2f2 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424d8a 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

#424d8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424d8a
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 #424d8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424d8a-9c9ec4-df834e-231f2d-e9eef1?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