Color

#39306e

#39306e
hex#39306e
rgbrgb(57, 48, 110)
hslhsl(249, 39%, 31%)
oklchoklch(0.354 0.103 286.5)
Closest name: Her Highness (#432e6f)Relative luminance 0.0411

Tints & shades

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

Harmonies

Complementary

Open in tool →

#656e30

#30466e · #58306e

#6e3930 · #306e39

Split-complementary

Open in tool →

#6e5830 · #466e30

#6e3046 · #656e30 · #306e58

Contrast

#39306e as textRatioAAAA largeAAAFix
Aaon white
11.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #776abe as the text (4.59:1)
  • AAA: use #978ecd as the text (7.07:1)
  • AA: or shift the background to #a3a3a3 (4.57:1)
  • AAA: or shift the background to #cccccc (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39306e 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

#39306e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39306e
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 #39306e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39306e-a79cc4-dfae4e-271f2d-e9ecf1?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