Color

#2f475b

#2f475b
hex#2f475b
rgbrgb(47, 71, 91)
hslhsl(207, 32%, 27%)
oklchoklch(0.387 0.045 244.5)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0587

Colors that go with #2f475b

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 →

#5b432f

#2f5b59 · #2f315b

#5b2f47 · #475b2f

Split-complementary

Open in tool →

#5b2f31 · #5b592f

#592f5b · #5b432f · #315b2f

Contrast

#2f475b as textRatioAAAA largeAAAFix
Aaon white
9.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #50799b as the text (4.55:1)
  • AAA: use #759ab8 as the text (7.07:1)
  • AA: or shift the background to #b3b3b3 (4.61:1)
  • AAA: or shift the background to #dedede (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f475b as the background.

Brands using this color

Fonts for this mood

#2f475b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f475b
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 #2f475b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f475b-9cadc4-df4e53-1f212d-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