Color

#30385f

#30385f
hex#30385f
rgbrgb(48, 56, 95)
hslhsl(230, 33%, 28%)
oklchoklch(0.353 0.069 273.6)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0428

Colors that go with #30385f

Sea Green, Steel Blue and Dark Olive Green 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 →

#5f5730

#304f5f · #40305f

#5f3038 · #385f30

Split-complementary

Open in tool →

#5f4030 · #4f5f30

#5f304f · #5f5730 · #305f40

Contrast

#30385f as textRatioAAAA largeAAAFix
Aaon white
11.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #6673b2 as the text (4.66:1)
  • AAA: use #8c95c5 as the text (7.22:1)
  • AA: or shift the background to #a6a6a6 (4.65:1)
  • AAA: or shift the background to #cccccc (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30385f as the background.

Brands using this color

Fonts for this mood

#30385f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30385f
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 #30385f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30385f-9c9ec4-df814e-231f2d-e9eef1?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