Color

#39368c

#39368c
hex#39368c
rgbrgb(57, 54, 140)
hslhsl(242, 44%, 38%)
oklchoklch(0.389 0.139 279.4)
Closest name: Bluebell (#333399)Relative luminance 0.054

Tints & shades

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

Harmonies

Complementary

Open in tool →

#898c36

#365e8c · #64368c

#8c3936 · #368c39

Split-complementary

Open in tool →

#8c6436 · #5e8c36

#8c365e · #898c36 · #368c64

Contrast

#39368c as textRatioAAAA largeAAAFix
Aaon white
10.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #6f6cc6 as the text (4.64:1)
  • AAA: use #9391d4 as the text (7.24:1)
  • AA: or shift the background to #b0b0b0 (4.65:1)
  • AAA: or shift the background to #d9d9d9 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39368c 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

#39368c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39368c
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 #39368c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39368c-a29cc4-df9e4e-261f2d-e9edf1?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