Color

#39338a

#39338a
hex#39338a
rgbrgb(57, 51, 138)
hslhsl(244, 46%, 37%)
oklchoklch(0.382 0.14 280.6)
Closest name: Bluebell (#333399)Relative luminance 0.0507

Colors that go with #39338a

Charcoal, Steel Blue and Blue 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 →

#848a33

#33598a · #64338a

#8a3933 · #338a39

Split-complementary

Open in tool →

#8a6433 · #598a33

#8a3359 · #848a33 · #338a64

Contrast

#39338a as textRatioAAAA largeAAAFix
Aaon white
10.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #706ac8 as the text (4.58:1)
  • AAA: use #948fd6 as the text (7.16:1)
  • AA: or shift the background to #ababab (4.54:1)
  • AAA: or shift the background to #d4d4d4 (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 #39338a 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

#39338a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39338a
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 #39338a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39338a-a39cc4-dfa24e-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