Color

#39558e

#39558e
hex#39558e
rgbrgb(57, 85, 142)
hslhsl(220, 43%, 39%)
oklchoklch(0.456 0.099 263.2)
Closest name: Assassin (#2d4f83)Relative luminance 0.0932

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e7239

#39808e · #47398e

#8e3955 · #558e39

Split-complementary

Open in tool →

#8e4739 · #808e39

#8e3980 · #8e7239 · #398e47

Contrast

#39558e as textRatioAAAA largeAAAFix
Aaon white
7.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.86:1failfailfail
  • AA: use #5476bb as the text (4.69:1)
  • AAA: use #7c96cb as the text (7.08:1)
  • AA: or shift the background to #cccccc (4.57:1)
  • AAA: or shift the background to #fafafa (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39558e 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

#39558e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39558e
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 #39558e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39558e-9ca5c4-df694e-211f2d-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