Color

#2f284d

#2f284d
hex#2f284d
rgbrgb(47, 40, 77)
hslhsl(251, 32%, 23%)
oklchoklch(0.304 0.066 290.7)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0266

Colors that go with #2f284d

Dark Olive Green, Steel Blue and Teal 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.

Real palettes that use #2f284d

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#474d28

#28344d · #42284d

#4d2f28 · #284d2f

Split-complementary

Open in tool →

#4d4228 · #344d28

#4d2834 · #474d28 · #284d42

Contrast

#2f284d as textRatioAAAA largeAAAFix
Aaon white
13.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #786bb3 as the text (4.55:1)
  • AAA: use #9a90c6 as the text (7.18:1)
  • AA: or shift the background to #949494 (4.52:1)
  • AAA: or shift the background to #bababa (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f284d 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

#2f284d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f284d
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 #2f284d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f284d-a89cc4-dfb34e-281f2d-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