Color

#39335b

#39335b
hex#39335b
rgbrgb(57, 51, 91)
hslhsl(249, 28%, 28%)
oklchoklch(0.347 0.069 289.2)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0399

Colors that go with #39335b

Dark Olive Green, Sea Green and Steel 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 →

#555b33

#33415b · #4d335b

#5b3933 · #335b39

Split-complementary

Open in tool →

#5b4d33 · #415b33

#5b3341 · #555b33 · #335b4d

Contrast

#39335b as textRatioAAAA largeAAAFix
Aaon white
11.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #766cac as the text (4.51:1)
  • AAA: use #9790c1 as the text (7.08:1)
  • AA: or shift the background to #a1a1a1 (4.52:1)
  • AAA: or shift the background to #c9c9c9 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39335b 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

#39335b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39335b
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 #39335b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39335b-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