Color

#2c333a

#2c333a
hex#2c333a
rgbrgb(44, 51, 58)
hslhsl(210, 14%, 20%)
oklchoklch(0.317 0.016 248.3)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.0321

Colors that go with #2c333a

Amber, 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 →

#3a332c

#2c3a3a · #2c2c3a

#3a2c33 · #333a2c

Split-complementary

Open in tool →

#3a2c2c · #3a3a2c

#3a2c3a · #3a332c · #2c3a2c

Contrast

#2c333a as textRatioAAAA largeAAAFix
Aaon white
12.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.64:1failfailfail
  • AA: use #677889 as the text (4.62:1)
  • AAA: use #8b99a7 as the text (7.21:1)
  • AA: or shift the background to #9c9c9c (4.66:1)
  • AAA: or shift the background to #c2c2c2 (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 #2c333a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2c333a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c333a
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 #2c333a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c333a-9cabc4-df514e-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