Color

#2f454c

#2f454c
hex#2f454c
rgbrgb(47, 69, 76)
hslhsl(194, 24%, 24%)
oklchoklch(0.375 0.03 219.6)
Closest name: Charcoal (#36454f)Relative luminance 0.0538

Colors that go with #2f454c

Blue, Blush Pink and Cadet 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 →

#4c352f

#2f4c44 · #2f364c

#4c2f45 · #454c2f

Split-complementary

Open in tool →

#4c2f36 · #4c442f

#442f4c · #4c352f · #364c2f

Contrast

#2f454c as textRatioAAAA largeAAAFix
Aaon white
10.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #537c88 as the text (4.61:1)
  • AAA: use #749daa as the text (7.15:1)
  • AA: or shift the background to #adadad (4.51:1)
  • AAA: or shift the background to #d9d9d9 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f454c 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

#2f454c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f454c
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 #2f454c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f454c-9cb6c4-df4e72-1f242d-e9f1ef?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