Color

#39305a

#39305a
hex#39305a
rgbrgb(57, 48, 90)
hslhsl(253, 30%, 27%)
oklchoklch(0.34 0.072 291.9)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0372

Colors that go with #39305a

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 →

#515a30

#303c5a · #4e305a

#5a3930 · #305a39

Split-complementary

Open in tool →

#5a4e30 · #3c5a30

#5a303c · #515a30 · #305a4e

Contrast

#39305a as textRatioAAAA largeAAAFix
Aaon white
12.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #7c6db0 as the text (4.67:1)
  • AAA: use #9a8ec2 as the text (7.02:1)
  • AA: or shift the background to #a1a1a1 (4.66:1)
  • AAA: or shift the background to #c7c7c7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39305a 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

#39305a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39305a
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 #39305a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39305a-a99cc4-dfb84e-281f2d-e9ebf1?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