Color

#30445a

#30445a
hex#30445a
rgbrgb(48, 68, 90)
hslhsl(211, 30%, 27%)
oklchoklch(0.38 0.046 251.4)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.055

Colors that go with #30445a

Teal, Sienna 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 →

#5a4630

#30595a · #31305a

#5a3044 · #445a30

Split-complementary

Open in tool →

#5a3130 · #595a30

#5a3059 · #5a4630 · #305a31

Contrast

#30445a as textRatioAAAA largeAAAFix
Aaon white
10:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #56799f as the text (4.63:1)
  • AAA: use #7a98b8 as the text (7.01:1)
  • AA: or shift the background to #b0b0b0 (4.61:1)
  • AAA: or shift the background to #d9d9d9 (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 #30445a as the background.

Brands using this color

Fonts for this mood

#30445a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30445a
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 #30445a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30445a-9cabc4-df534e-1f202d-e9f1f1?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