Color

#39649d

#39649d
hex#39649d
rgbrgb(57, 100, 157)
hslhsl(214, 47%, 42%)
oklchoklch(0.5 0.103 256.1)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1242

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d7239

#39979d · #3f399d

#9d3964 · #649d39

Split-complementary

Open in tool →

#9d3f39 · #979d39

#9d3997 · #9d7239 · #399d3f

Contrast

#39649d as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #32588b as the text (7.23:1)
Aaon black
3.48:1failpassfail
  • AA: use #4478bb as the text (4.65:1)
  • AAA: use #7198cc as the text (7.07:1)
  • AA: or shift the background to #e0e0e0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39649d 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

#39649d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39649d
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 #39649d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39649d-9ca9c4-df5a4e-1f1f2d-e9f0f1?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