Color

#39317c

#39317c
hex#39317c
rgbrgb(57, 49, 124)
hslhsl(246, 43%, 34%)
oklchoklch(0.367 0.123 283.4)
Closest name: Her Highness (#432e6f)Relative luminance 0.0452

Colors that go with #39317c

Steel Blue, Blue and Charcoal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#757c31

#314f7c · #5e317c

#7c3931 · #317c39

Split-complementary

Open in tool →

#7c5e31 · #4f7c31

#7c314f · #757c31 · #317c5e

Contrast

#39317c as textRatioAAAA largeAAAFix
Aaon white
11.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #7269c3 as the text (4.52:1)
  • AAA: use #958ed2 as the text (7.08:1)
  • AA: or shift the background to #a6a6a6 (4.53:1)
  • AAA: or shift the background to #cfcfcf (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39317c 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

#39317c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39317c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #39317c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39317c-a59cc4-dfa74e-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