Color

#2f306a

#2f306a
hex#2f306a
rgbrgb(47, 48, 106)
hslhsl(239, 39%, 30%)
oklchoklch(0.342 0.099 279.1)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0376

Colors that go with #2f306a

Steel Blue, Blue and Blush Pink 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 →

#6a692f

#2f4d6a · #4c2f6a

#6a2f30 · #306a2f

Split-complementary

Open in tool →

#6a4c2f · #4d6a2f

#6a2f4d · #6a692f · #2f6a4c

Contrast

#2f306a as textRatioAAAA largeAAAFix
Aaon white
11.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #6a6cbe as the text (4.5:1)
  • AAA: use #9192cf as the text (7.22:1)
  • AA: or shift the background to #a1a1a1 (4.64:1)
  • AAA: or shift the background to #c7c7c7 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f306a 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

#2f306a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f306a
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 #2f306a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f306a-a09cc4-df964e-251f2d-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